5005661156556 has 24 divisors (see below), whose sum is σ = 12366927563760. Its totient is φ = 1570403500032.

The previous prime is 5005661156543. The next prime is 5005661156597. The reversal of 5005661156556 is 6556511665005.

It is a super-2 number, since 2×5005661156556² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 5005661156499 and 5005661156508.

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, 12268777141 + ... + 12268777548.

It is an arithmetic number, because the mean of its divisors is an integer number (515288648490).

Almost surely, 2^{5005661156556} is an apocalyptic number.

It is an amenable number.

5005661156556 is an abundant number, since it is smaller than the sum of its proper divisors (7361266407204).

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

5005661156556 is a wasteful number, since it uses less digits than its factorization.

5005661156556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24537554713 (or 24537554711 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 5005661156556 in words is "five trillion, five billion, six hundred sixty-one million, one hundred fifty-six thousand, five hundred fifty-six".