12530512432555 has 96 divisors (see below), whose sum is σ = 17157820619520. Its totient is φ = 8731794504960.

The previous prime is 12530512432519. The next prime is 12530512432589. The reversal of 12530512432555 is 55523421503521.

It is not a de Polignac number, because 12530512432555 - 2³⁵ = 12496152694187 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9952749516 + ... + 9952750774.

It is an arithmetic number, because the mean of its divisors is an integer number (178727298120).

Almost surely, 2^{12530512432555} is an apocalyptic number.

12530512432555 is a deficient number, since it is larger than the sum of its proper divisors (4627308186965).

12530512432555 is a wasteful number, since it uses less digits than its factorization.

12530512432555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2649 (or 2630 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 12530512432555 in words is "twelve trillion, five hundred thirty billion, five hundred twelve million, four hundred thirty-two thousand, five hundred fifty-five".