115237360638 has 32 divisors (see below), whose sum is σ = 256127508000. Its totient is φ = 38405780928.

The previous prime is 115237360631. The next prime is 115237360643. The reversal of 115237360638 is 836063732511.

115237360638 is a `hidden beast` number, since 1 + 1 + 5 + 2 + 3 + 7 + 3 + 6 + 0 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 115237360593 and 115237360602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115237360631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133420 + ... + 498272.

It is an arithmetic number, because the mean of its divisors is an integer number (8003984625).

Almost surely, 2^115237360638 is an apocalyptic number.

115237360638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115237360638 is an abundant number, since it is smaller than the sum of its proper divisors (140890147362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115237360638 is a wasteful number, since it uses less digits than its factorization.

115237360638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370713 (or 370707 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 115237360638 in words is "one hundred fifteen billion, two hundred thirty-seven million, three hundred sixty thousand, six hundred thirty-eight".