115959951 has 64 divisors (see below), whose sum is σ = 190771200. Its totient is φ = 69366528.

The previous prime is 115959947. The next prime is 115959971. The reversal of 115959951 is 159959511.

115959951 is a `hidden beast` number, since 1 + 1 + 5 + 9 + 599 + 51 = 666.

It is not a de Polignac number, because 115959951 - 2² = 115959947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115959897 and 115959906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115959901) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 846355 + ... + 846491.

It is an arithmetic number, because the mean of its divisors is an integer number (2980800).

Almost surely, 2^115959951 is an apocalyptic number.

115959951 is a deficient number, since it is larger than the sum of its proper divisors (74811249).

115959951 is a wasteful number, since it uses less digits than its factorization.

115959951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245 (or 239 counting only the distinct ones).

The product of its digits is 91125, while the sum is 45.

The square root of 115959951 is about 10768.4702256170. The cubic root of 115959951 is about 487.6437635172.

The spelling of 115959951 in words is "one hundred fifteen million, nine hundred fifty-nine thousand, nine hundred fifty-one".