11553445312 has 28 divisors (see below), whose sum is σ = 22938923896. Its totient is φ = 5773559040.

The previous prime is 11553445291. The next prime is 11553445339. The reversal of 11553445312 is 21354435511.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70603 + ... + 167605.

It is an arithmetic number, because the mean of its divisors is an integer number (819247282).

Almost surely, 2^11553445312 is an apocalyptic number.

It is an amenable number.

11553445312 is a deficient number, since it is larger than the sum of its proper divisors (11385478584).

11553445312 is an equidigital number, since it uses as much as digits as its factorization.

11553445312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98876 (or 98866 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The spelling of 11553445312 in words is "eleven billion, five hundred fifty-three million, four hundred forty-five thousand, three hundred twelve".