11987648264 has 32 divisors (see below), whose sum is σ = 24047716800. Its totient is φ = 5585267520.

The previous prime is 11987648263. The next prime is 11987648303. The reversal of 11987648264 is 46284678911.

It is a happy number.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11987648263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 637172 + ... + 655715.

It is an arithmetic number, because the mean of its divisors is an integer number (751491150).

Almost surely, 2^11987648264 is an apocalyptic number.

It is an amenable number.

11987648264 is an abundant number, since it is smaller than the sum of its proper divisors (12060068536).

11987648264 is a wasteful number, since it uses less digits than its factorization.

11987648264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292973 (or 1292969 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 56.

The spelling of 11987648264 in words is "eleven billion, nine hundred eighty-seven million, six hundred forty-eight thousand, two hundred sixty-four".