115990582 has 4 divisors (see below), whose sum is σ = 173985876. Its totient is φ = 57995290.

The previous prime is 115990579. The next prime is 115990603. The reversal of 115990582 is 285099511.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×115990582² = 26907630225397448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28997644 + ... + 28997647.

It is an arithmetic number, because the mean of its divisors is an integer number (43496469).

Almost surely, 2^115990582 is an apocalyptic number.

115990582 is a deficient number, since it is larger than the sum of its proper divisors (57995294).

115990582 is an equidigital number, since it uses as much as digits as its factorization.

115990582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57995293.

The product of its (nonzero) digits is 32400, while the sum is 40.

The square root of 115990582 is about 10769.8923857205. The cubic root of 115990582 is about 487.6866970213.

The spelling of 115990582 in words is "one hundred fifteen million, nine hundred ninety thousand, five hundred eighty-two".