11899765624 has 16 divisors (see below), whose sum is σ = 22617706320. Its totient is φ = 5868377280.

The previous prime is 11899765601. The next prime is 11899765627. The reversal of 11899765624 is 42656799811.

It is a super-2 number, since 2×11899765624² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11899765627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10187572 + ... + 10188739.

It is an arithmetic number, because the mean of its divisors is an integer number (1413606645).

Almost surely, 2^11899765624 is an apocalyptic number.

It is an amenable number.

11899765624 is a deficient number, since it is larger than the sum of its proper divisors (10717940696).

11899765624 is a wasteful number, since it uses less digits than its factorization.

11899765624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20376390 (or 20376386 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 58.

The spelling of 11899765624 in words is "eleven billion, eight hundred ninety-nine million, seven hundred sixty-five thousand, six hundred twenty-four".