11553304544 has 12 divisors (see below), whose sum is σ = 22745568384. Its totient is φ = 5776652256.

The previous prime is 11553304537. The next prime is 11553304591. The reversal of 11553304544 is 44540335511.

It is a super-2 number, since 2×11553304544² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180520352 + ... + 180520415.

It is an arithmetic number, because the mean of its divisors is an integer number (1895464032).

Almost surely, 2^11553304544 is an apocalyptic number.

It is an amenable number.

11553304544 is a deficient number, since it is larger than the sum of its proper divisors (11192263840).

11553304544 is an equidigital number, since it uses as much as digits as its factorization.

11553304544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361040777 (or 361040769 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 11553304544 in words is "eleven billion, five hundred fifty-three million, three hundred four thousand, five hundred forty-four".