12157087265515 has 16 divisors (see below), whose sum is σ = 15771356457120. Its totient is φ = 8964771033600.

The previous prime is 12157087265471. The next prime is 12157087265527. The reversal of 12157087265515 is 51556278075121.

It is not a de Polignac number, because 12157087265515 - 2²³ = 12157078876907 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1729311886 + ... + 1729318915.

It is an arithmetic number, because the mean of its divisors is an integer number (985709778570).

Almost surely, 2^{12157087265515} is an apocalyptic number.

12157087265515 is a deficient number, since it is larger than the sum of its proper divisors (3614269191605).

12157087265515 is a wasteful number, since it uses less digits than its factorization.

12157087265515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3458630862.

The product of its (nonzero) digits is 5880000, while the sum is 55.

The spelling of 12157087265515 in words is "twelve trillion, one hundred fifty-seven billion, eighty-seven million, two hundred sixty-five thousand, five hundred fifteen".