115161851 has 16 divisors (see below), whose sum is σ = 137814528. Its totient is φ = 94089600.

The previous prime is 115161847. The next prime is 115161877. The reversal of 115161851 is 158161511.

It is a cyclic number.

It is not a de Polignac number, because 115161851 - 2² = 115161847 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (115161821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52211 + ... + 54371.

It is an arithmetic number, because the mean of its divisors is an integer number (8613408).

Almost surely, 2^115161851 is an apocalyptic number.

115161851 is a deficient number, since it is larger than the sum of its proper divisors (22652677).

115161851 is a wasteful number, since it uses less digits than its factorization.

115161851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2522.

The product of its digits is 1200, while the sum is 29.

The square root of 115161851 is about 10731.3489832360. The cubic root of 115161851 is about 486.5224430854.

The spelling of 115161851 in words is "one hundred fifteen million, one hundred sixty-one thousand, eight hundred fifty-one".