11575516056 has 32 divisors (see below), whose sum is σ = 31164851760. Its totient is φ = 3561697152.

The previous prime is 11575516013. The next prime is 11575516063. The reversal of 11575516056 is 65061557511.

It is a junction number, because it is equal to n+sod(n) for n = 11575515999 and 11575516017.

It is a congruent number.

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, 18550195 + ... + 18550818.

Almost surely, 2^11575516056 is an apocalyptic number.

It is an amenable number.

11575516056 is an abundant number, since it is smaller than the sum of its proper divisors (19589335704).

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

11575516056 is a wasteful number, since it uses less digits than its factorization.

11575516056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37101035 (or 37101031 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 11575516056 in words is "eleven billion, five hundred seventy-five million, five hundred sixteen thousand, fifty-six".