6556022111572 has 24 divisors (see below), whose sum is σ = 11484169603200. Its totient is φ = 3274831131936.

The previous prime is 6556022111557. The next prime is 6556022111591. The reversal of 6556022111572 is 2751112206556.

It is a super-2 number, since 2×6556022111572² (a number of 26 digits) contains 22 as substring.

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, 116962329 + ... + 117018367.

It is an arithmetic number, because the mean of its divisors is an integer number (478507066800).

Almost surely, 2^{6556022111572} is an apocalyptic number.

It is an amenable number.

6556022111572 is a deficient number, since it is larger than the sum of its proper divisors (4928147491628).

6556022111572 is a wasteful number, since it uses less digits than its factorization.

6556022111572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83895 (or 83893 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 6556022111572 in words is "six trillion, five hundred fifty-six billion, twenty-two million, one hundred eleven thousand, five hundred seventy-two".