11545044556 has 24 divisors (see below), whose sum is σ = 22518200880. Its totient is φ = 5147016192.

The previous prime is 11545044527. The next prime is 11545044611. The reversal of 11545044556 is 65544054511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4466605 + ... + 4469188.

It is an arithmetic number, because the mean of its divisors is an integer number (938258370).

Almost surely, 2^11545044556 is an apocalyptic number.

It is an amenable number.

11545044556 is a deficient number, since it is larger than the sum of its proper divisors (10973156324).

11545044556 is a wasteful number, since it uses less digits than its factorization.

11545044556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935833 (or 8935831 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The spelling of 11545044556 in words is "eleven billion, five hundred forty-five million, forty-four thousand, five hundred fifty-six".