12519474517 has 64 divisors (see below), whose sum is σ = 15049359360. Its totient is φ = 10299520000.

The previous prime is 12519474511. The next prime is 12519474521. The reversal of 12519474517 is 71547491521.

It is not a de Polignac number, because 12519474517 - 2³¹ = 10371990869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12519474511) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 65546892 + ... + 65547082.

It is an arithmetic number, because the mean of its divisors is an integer number (235146240).

Almost surely, 2^12519474517 is an apocalyptic number.

It is an amenable number.

12519474517 is a deficient number, since it is larger than the sum of its proper divisors (2529884843).

12519474517 is a wasteful number, since it uses less digits than its factorization.

12519474517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426.

The product of its digits is 352800, while the sum is 46.

The spelling of 12519474517 in words is "twelve billion, five hundred nineteen million, four hundred seventy-four thousand, five hundred seventeen".