115055687 has 2 divisors, whose sum is σ = 115055688. Its totient is φ = 115055686.

The previous prime is 115055657. The next prime is 115055693. The reversal of 115055687 is 786550511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115055687 - 2¹⁰ = 115054663 is a prime.

It is a super-2 number, since 2×115055687² = 26475622222083938, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115055687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115055627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57527843 + 57527844.

It is an arithmetic number, because the mean of its divisors is an integer number (57527844).

Almost surely, 2^115055687 is an apocalyptic number.

115055687 is a deficient number, since it is larger than the sum of its proper divisors (1).

115055687 is an equidigital number, since it uses as much as digits as its factorization.

115055687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 38.

The square root of 115055687 is about 10726.4014002833. The cubic root of 115055687 is about 486.3728939995.

The spelling of 115055687 in words is "one hundred fifteen million, fifty-five thousand, six hundred eighty-seven".