56605660721152 has 52 divisors (see below), whose sum is σ = 113199515941536. Its totient is φ = 28302326743040.

The previous prime is 56605660721131. The next prime is 56605660721243. The reversal of 56605660721152 is 25112706650665.

It is a self number, because there is not a number n which added to its sum of digits gives 56605660721152.

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, 355973502 + ... + 356132482.

Almost surely, 2^{56605660721152} is an apocalyptic number.

It is an amenable number.

56605660721152 is a deficient number, since it is larger than the sum of its proper divisors (56593855220384).

56605660721152 is an equidigital number, since it uses as much as digits as its factorization.

56605660721152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245932 (or 245910 counting only the distinct ones).

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 56605660721152 in words is "fifty-six trillion, six hundred five billion, six hundred sixty million, seven hundred twenty-one thousand, one hundred fifty-two".