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105550000001011 = 643210897783793
BaseRepresentation
bin10111111111111101000110…
…010000011000111111110011
3111211201110222222110120221201
4113333331012100120333303
5102313312400000013021
61012253000044032031
731142510252602546
oct2777750620307763
9454643888416851
10105550000001011
11306a455a354a15
12ba08369532617
1346b84260c8297
141c0c90c10c85d
15c308e74b9591
hex5fff46418ff3

105550000001011 has 8 divisors (see below), whose sum is σ = 105719178756240. Its totient is φ = 105380836856832.

The previous prime is 105550000000969. The next prime is 105550000001053. The reversal of 105550000001011 is 110100000055501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (105550000000969) and next prime (105550000001053).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-105550000001011 is a prime.

It is a super-2 number, since 2×1055500000010112 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105550000001011.

It is not an unprimeable number, because it can be changed into a prime (105550004001011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9668331 + ... + 17452123.

It is an arithmetic number, because the mean of its divisors is an integer number (13214897344530).

Almost surely, 2105550000001011 is an apocalyptic number.

105550000001011 is a deficient number, since it is larger than the sum of its proper divisors (169178755229).

105550000001011 is an equidigital number, since it uses as much as digits as its factorization.

105550000001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7805525.

The product of its (nonzero) digits is 125, while the sum is 19.

Adding to 105550000001011 its reverse (110100000055501), we get a palindrome (215650000056512).

The spelling of 105550000001011 in words is "one hundred five trillion, five hundred fifty billion, one thousand, eleven".

Divisors: 1 643 21089 7783793 13560227 5004978899 164152410577 105550000001011