115967400285 has 32 divisors (see below), whose sum is σ = 202513416192. Its totient is φ = 56199510080.

The previous prime is 115967400251. The next prime is 115967400299. The reversal of 115967400285 is 582004769511.

It is a happy number.

It is not a de Polignac number, because 115967400285 - 2⁹ = 115967399773 is a prime.

It is a super-2 number, since 2×115967400285² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 175972 + ... + 512738.

It is an arithmetic number, because the mean of its divisors is an integer number (6328544256).

Almost surely, 2^115967400285 is an apocalyptic number.

115967400285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115967400285 is a deficient number, since it is larger than the sum of its proper divisors (86546015907).

115967400285 is a wasteful number, since it uses less digits than its factorization.

115967400285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338873.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 115967400285 in words is "one hundred fifteen billion, nine hundred sixty-seven million, four hundred thousand, two hundred eighty-five".