28160137515 has 16 divisors (see below), whose sum is σ = 47015186688. Its totient is φ = 14365751136.

The previous prime is 28160137487. The next prime is 28160137529. The reversal of 28160137515 is 51573106182.

It is not a de Polignac number, because 28160137515 - 2⁶ = 28160137451 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 40811449 + ... + 40812138.

It is an arithmetic number, because the mean of its divisors is an integer number (2938449168).

Almost surely, 2^28160137515 is an apocalyptic number.

28160137515 is a deficient number, since it is larger than the sum of its proper divisors (18855049173).

28160137515 is a wasteful number, since it uses less digits than its factorization.

28160137515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81623618.

The product of its (nonzero) digits is 50400, while the sum is 39.

The spelling of 28160137515 in words is "twenty-eight billion, one hundred sixty million, one hundred thirty-seven thousand, five hundred fifteen".