12611570517 has 48 divisors (see below), whose sum is σ = 22456482048. Its totient is φ = 6641602560.

The previous prime is 12611570453. The next prime is 12611570591. The reversal of 12611570517 is 71507511621.

It is a happy number.

12611570517 is a `hidden beast` number, since 1 + 2 + 61 + 15 + 70 + 517 = 666.

It is not a de Polignac number, because 12611570517 - 2⁶ = 12611570453 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12611570117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 512968 + ... + 536990.

It is an arithmetic number, because the mean of its divisors is an integer number (467843376).

Almost surely, 2^12611570517 is an apocalyptic number.

It is an amenable number.

12611570517 is a deficient number, since it is larger than the sum of its proper divisors (9844911531).

12611570517 is a wasteful number, since it uses less digits than its factorization.

12611570517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24690 (or 24687 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 36.

The spelling of 12611570517 in words is "twelve billion, six hundred eleven million, five hundred seventy thousand, five hundred seventeen".