11872465517 has 16 divisors (see below), whose sum is σ = 13048257600. Its totient is φ = 10712979840.

The previous prime is 11872465513. The next prime is 11872465523. The reversal of 11872465517 is 71556427811.

It is a cyclic number.

It is not a de Polignac number, because 11872465517 - 2² = 11872465513 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 (11872465513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1115063 + ... + 1125659.

It is an arithmetic number, because the mean of its divisors is an integer number (815516100).

Almost surely, 2^11872465517 is an apocalyptic number.

It is an amenable number.

11872465517 is a deficient number, since it is larger than the sum of its proper divisors (1175792083).

11872465517 is a wasteful number, since it uses less digits than its factorization.

11872465517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11356.

The product of its digits is 470400, while the sum is 47.

The spelling of 11872465517 in words is "eleven billion, eight hundred seventy-two million, four hundred sixty-five thousand, five hundred seventeen".