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1001111110001 = 4761349184203
BaseRepresentation
bin11101001000101101101…
…11110100000101110001
310112201001011011122212022
432210112313310011301
5112400233421010001
62043523141241225
7132220316013542
oct16442667640561
93481034148768
101001111110001
11356629139322
12142032103215
1373534539392
143664dc384c9
151b09409411b
hexe916df4171

1001111110001 has 8 divisors (see below), whose sum is σ = 1039172191104. Its totient is φ = 963748397520.

The previous prime is 1001111109989. The next prime is 1001111110039. The reversal of 1001111110001 is 1000111111001.

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

It is a cyclic number.

It is not a de Polignac number, because 1001111110001 - 26 = 1001111109937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001111110091) 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, 174589235 + ... + 174594968.

It is an arithmetic number, because the mean of its divisors is an integer number (129896523888).

Almost surely, 21001111110001 is an apocalyptic number.

It is an amenable number.

1001111110001 is a deficient number, since it is larger than the sum of its proper divisors (38061081103).

1001111110001 is an equidigital number, since it uses as much as digits as its factorization.

1001111110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349184311.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 1001111110001 its reverse (1000111111001), we get a palindrome (2001222221002).

It can be divided in two parts, 100111111000 and 1, that added together give a palindrome (100111111001).

The spelling of 1001111110001 in words is "one trillion, one billion, one hundred eleven million, one hundred ten thousand, one".

Divisors: 1 47 61 2867 349184203 16411657541 21300236383 1001111110001