100815552315 has 16 divisors (see below), whose sum is σ = 179227648800. Its totient is φ = 53768294496.

The previous prime is 100815552307. The next prime is 100815552329. The reversal of 100815552315 is 513255518001.

100815552315 is a `hidden beast` number, since 1 + 0 + 0 + 81 + 55 + 523 + 1 + 5 = 666.

It is not a de Polignac number, because 100815552315 - 2³ = 100815552307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100815552315.

It is an unprimeable number.

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, 373390800 + ... + 373391069.

It is an arithmetic number, because the mean of its divisors is an integer number (11201728050).

Almost surely, 2^100815552315 is an apocalyptic number.

100815552315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100815552315 is a deficient number, since it is larger than the sum of its proper divisors (78412096485).

100815552315 is an equidigital number, since it uses as much as digits as its factorization.

100815552315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746781883 (or 746781877 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 36.

The spelling of 100815552315 in words is "one hundred billion, eight hundred fifteen million, five hundred fifty-two thousand, three hundred fifteen".