115957955 has 4 divisors (see below), whose sum is σ = 139149552. Its totient is φ = 92766360.

The previous prime is 115957937. The next prime is 115957967. The reversal of 115957955 is 559759511.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 559759511 = 41 ⋅13652671.

It is not a de Polignac number, because 115957955 - 2¹⁰ = 115956931 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11595791 + ... + 11595800.

It is an arithmetic number, because the mean of its divisors is an integer number (34787388).

Almost surely, 2^115957955 is an apocalyptic number.

115957955 is a deficient number, since it is larger than the sum of its proper divisors (23191597).

115957955 is an equidigital number, since it uses as much as digits as its factorization.

115957955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23191596.

The product of its digits is 354375, while the sum is 47.

The square root of 115957955 is about 10768.3775472445. The cubic root of 115957955 is about 487.6409655899.

It can be divided in two parts, 1159 and 57955, that multiplied together give a triangular number (67169845 = T₁₁₅₉₀).

The spelling of 115957955 in words is "one hundred fifteen million, nine hundred fifty-seven thousand, nine hundred fifty-five".