115165155551 has 8 divisors (see below), whose sum is σ = 117130579200. Its totient is φ = 113200181080.

The previous prime is 115165155517. The next prime is 115165155559. The reversal of 115165155551 is 155551561511.

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-115165155551 is a prime.

It is a super-2 number, since 2×115165155551² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115165155499 and 115165155508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115165155559) 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, 426746 + ... + 642216.

It is an arithmetic number, because the mean of its divisors is an integer number (14641322400).

Almost surely, 2^115165155551 is an apocalyptic number.

115165155551 is a deficient number, since it is larger than the sum of its proper divisors (1965423649).

115165155551 is an equidigital number, since it uses as much as digits as its factorization.

115165155551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224589.

The product of its digits is 93750, while the sum is 41.

The spelling of 115165155551 in words is "one hundred fifteen billion, one hundred sixty-five million, one hundred fifty-five thousand, five hundred fifty-one".