115880517 has 16 divisors (see below), whose sum is σ = 181774080. Its totient is φ = 72709056.

The previous prime is 115880507. The next prime is 115880539. The reversal of 115880517 is 715088511.

It is a happy number.

115880517 is a `hidden beast` number, since 11 + 58 + 80 + 517 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-115880517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115880507) 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, 125773 + ... + 126690.

It is an arithmetic number, because the mean of its divisors is an integer number (11360880).

Almost surely, 2^115880517 is an apocalyptic number.

115880517 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

115880517 is a deficient number, since it is larger than the sum of its proper divisors (65893563).

115880517 is a wasteful number, since it uses less digits than its factorization.

115880517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252489 (or 252483 counting only the distinct ones).

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

The square root of 115880517 is about 10764.7813261580. The cubic root of 115880517 is about 487.5323907472.

The spelling of 115880517 in words is "one hundred fifteen million, eight hundred eighty thousand, five hundred seventeen".