105100056011 has 4 divisors (see below), whose sum is σ = 105796083024. Its totient is φ = 104404029000.

The previous prime is 105100056001. The next prime is 105100056071. The reversal of 105100056011 is 110650001501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110650001501 = 13 ⋅8511538577.

It is a cyclic number.

It is not a de Polignac number, because 105100056011 - 2¹⁰ = 105100054987 is a prime.

It is a super-2 number, since 2×105100056011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105100056001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348013280 + ... + 348013581.

It is an arithmetic number, because the mean of its divisors is an integer number (26449020756).

Almost surely, 2^105100056011 is an apocalyptic number.

105100056011 is a deficient number, since it is larger than the sum of its proper divisors (696027013).

105100056011 is an equidigital number, since it uses as much as digits as its factorization.

105100056011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 696027012.

The product of its (nonzero) digits is 150, while the sum is 20.

Adding to 105100056011 its reverse (110650001501), we get a palindrome (215750057512).

It can be divided in two parts, 1051000 and 56011, that added together give a palindrome (1107011).

The spelling of 105100056011 in words is "one hundred five billion, one hundred million, fifty-six thousand, eleven".