15012640252775 has 12 divisors (see below), whose sum is σ = 20308007905944. Its totient is φ = 10918283820000.

The previous prime is 15012640252751. The next prime is 15012640252781. The reversal of 15012640252775 is 57725204621051.

It is a happy number.

It is not a de Polignac number, because 15012640252775 - 2¹⁰ = 15012640251751 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27295709276 + ... + 27295709825.

It is an arithmetic number, because the mean of its divisors is an integer number (1692333992162).

Almost surely, 2^{15012640252775} is an apocalyptic number.

15012640252775 is a deficient number, since it is larger than the sum of its proper divisors (5295367653169).

15012640252775 is a wasteful number, since it uses less digits than its factorization.

15012640252775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54591419122 (or 54591419117 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 47.

The spelling of 15012640252775 in words is "fifteen trillion, twelve billion, six hundred forty million, two hundred fifty-two thousand, seven hundred seventy-five".