115100378631 has 24 divisors (see below), whose sum is σ = 193884672800. Its totient is φ = 65771643168.

The previous prime is 115100378629. The next prime is 115100378641. The reversal of 115100378631 is 136873001511.

115100378631 is a `hidden beast` number, since 1 + 1 + 5 + 10 + 0 + 3 + 7 + 8 + 631 = 666.

It is not a de Polignac number, because 115100378631 - 2¹ = 115100378629 is a prime.

It is a super-2 number, since 2×115100378631² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115100378641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18639670 + ... + 18645843.

Almost surely, 2^115100378631 is an apocalyptic number.

115100378631 is a deficient number, since it is larger than the sum of its proper divisors (78784294169).

115100378631 is an equidigital number, since it uses as much as digits as its factorization.

115100378631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37285540 (or 37285523 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The spelling of 115100378631 in words is "one hundred fifteen billion, one hundred million, three hundred seventy-eight thousand, six hundred thirty-one".