11344645564 has 24 divisors (see below), whose sum is σ = 24023956320. Its totient is φ = 4575991296.

The previous prime is 11344645561. The next prime is 11344645567. The reversal of 11344645564 is 46554644311.

It is an interprime number because it is at equal distance from previous prime (11344645561) and next prime (11344645567).

It is a self number, because there is not a number n which added to its sum of digits gives 11344645564.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11344645561) 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, 11916169 + ... + 11917120.

It is an arithmetic number, because the mean of its divisors is an integer number (1000998180).

Almost surely, 2^11344645564 is an apocalyptic number.

11344645564 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11344645564 is an abundant number, since it is smaller than the sum of its proper divisors (12679310756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11344645564 is a wasteful number, since it uses less digits than its factorization.

11344645564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23833317 (or 23833315 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The spelling of 11344645564 in words is "eleven billion, three hundred forty-four million, six hundred forty-five thousand, five hundred sixty-four".