115331685 has 16 divisors (see below), whose sum is σ = 210892416. Its totient is φ = 52723008.

The previous prime is 115331681. The next prime is 115331693. The reversal of 115331685 is 586133511.

It is not a de Polignac number, because 115331685 - 2² = 115331681 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115331681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 549094 + ... + 549303.

It is an arithmetic number, because the mean of its divisors is an integer number (13180776).

Almost surely, 2^115331685 is an apocalyptic number.

115331685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115331685 is a deficient number, since it is larger than the sum of its proper divisors (95560731).

115331685 is a wasteful number, since it uses less digits than its factorization.

115331685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098412.

The product of its digits is 10800, while the sum is 33.

The square root of 115331685 is about 10739.2590526535. The cubic root of 115331685 is about 486.7614906137.

The spelling of 115331685 in words is "one hundred fifteen million, three hundred thirty-one thousand, six hundred eighty-five".