115051887 has 16 divisors (see below), whose sum is σ = 172608000. Its totient is φ = 75728952.

The previous prime is 115051877. The next prime is 115051889. The reversal of 115051887 is 788150511.

It is a happy number.

115051887 is a `hidden beast` number, since 11 + 50 + 518 + 87 = 666.

It is not a de Polignac number, because 115051887 - 2⁶ = 115051823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115051889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24837 + ... + 29102.

It is an arithmetic number, because the mean of its divisors is an integer number (10788000).

Almost surely, 2^115051887 is an apocalyptic number.

115051887 is a deficient number, since it is larger than the sum of its proper divisors (57556113).

115051887 is an equidigital number, since it uses as much as digits as its factorization.

115051887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54027 (or 54021 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 36.

The square root of 115051887 is about 10726.2242657890. The cubic root of 115051887 is about 486.3675393827.

The spelling of 115051887 in words is "one hundred fifteen million, fifty-one thousand, eight hundred eighty-seven".