11516564464 has 10 divisors (see below), whose sum is σ = 22313343680. Its totient is φ = 5758282224.

The previous prime is 11516564453. The next prime is 11516564467. The reversal of 11516564464 is 46446561511.

It is a self number, because there is not a number n which added to its sum of digits gives 11516564464.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11516564467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 359892624 + ... + 359892655.

It is an arithmetic number, because the mean of its divisors is an integer number (2231334368).

Almost surely, 2^11516564464 is an apocalyptic number.

It is an amenable number.

11516564464 is a deficient number, since it is larger than the sum of its proper divisors (10796779216).

11516564464 is an equidigital number, since it uses as much as digits as its factorization.

11516564464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719785287 (or 719785281 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The spelling of 11516564464 in words is "eleven billion, five hundred sixteen million, five hundred sixty-four thousand, four hundred sixty-four".