99368687307015 has 24 divisors (see below), whose sum is σ = 196844637713568. Its totient is φ = 45425685625920.

The previous prime is 99368687307007. The next prime is 99368687307067. The reversal of 99368687307015 is 51070378686399.

99368687307015 is a `hidden beast` number, since 99 + 368 + 6 + 87 + 30 + 70 + 1 + 5 = 666.

It is not a de Polignac number, because 99368687307015 - 2³ = 99368687307007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157728074776 + ... + 157728075405.

It is an arithmetic number, because the mean of its divisors is an integer number (8201859904732).

Almost surely, 2^{99368687307015} is an apocalyptic number.

99368687307015 is a deficient number, since it is larger than the sum of its proper divisors (97475950406553).

99368687307015 is a wasteful number, since it uses less digits than its factorization.

99368687307015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315456150199 (or 315456150196 counting only the distinct ones).

The product of its (nonzero) digits is 411505920, while the sum is 72.

The spelling of 99368687307015 in words is "ninety-nine trillion, three hundred sixty-eight billion, six hundred eighty-seven million, three hundred seven thousand, fifteen".