99515084540331 has 4 divisors (see below), whose sum is σ = 132686779387112. Its totient is φ = 66343389693552.

The previous prime is 99515084540327. The next prime is 99515084540357. The reversal of 99515084540331 is 13304548051599.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 99515084540331 - 2² = 99515084540327 is a prime.

It is a super-2 number, since 2×99515084540331² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (99515084540371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16585847423386 + ... + 16585847423391.

It is an arithmetic number, because the mean of its divisors is an integer number (33171694846778).

Almost surely, 2^{99515084540331} is an apocalyptic number.

99515084540331 is a deficient number, since it is larger than the sum of its proper divisors (33171694846781).

99515084540331 is a wasteful number, since it uses less digits than its factorization.

99515084540331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33171694846780.

The product of its (nonzero) digits is 11664000, while the sum is 57.

The spelling of 99515084540331 in words is "ninety-nine trillion, five hundred fifteen billion, eighty-four million, five hundred forty thousand, three hundred thirty-one".