115856431181 has 8 divisors (see below), whose sum is σ = 116167734528. Its totient is φ = 115545240000.

The previous prime is 115856431129. The next prime is 115856431193. The reversal of 115856431181 is 181134658511.

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 2^k-115856431181 is a prime.

It is a super-2 number, since 2×115856431181² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115856431681) 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, 2297246 + ... + 2347136.

It is an arithmetic number, because the mean of its divisors is an integer number (14520966816).

Almost surely, 2^115856431181 is an apocalyptic number.

It is an amenable number.

115856431181 is a deficient number, since it is larger than the sum of its proper divisors (311303347).

115856431181 is an equidigital number, since it uses as much as digits as its factorization.

115856431181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56083.

The product of its digits is 115200, while the sum is 44.

The spelling of 115856431181 in words is "one hundred fifteen billion, eight hundred fifty-six million, four hundred thirty-one thousand, one hundred eighty-one".