521072056112 has 40 divisors (see below), whose sum is σ = 1013997451200. Its totient is φ = 259395720192.

The previous prime is 521072056079. The next prime is 521072056117. The reversal of 521072056112 is 211650270125.

It is not an unprimeable number, because it can be changed into a prime (521072056117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26976314 + ... + 26995622.

It is an arithmetic number, because the mean of its divisors is an integer number (25349936280).

Almost surely, 2^521072056112 is an apocalyptic number.

It is an amenable number.

521072056112 is a deficient number, since it is larger than the sum of its proper divisors (492925395088).

521072056112 is a wasteful number, since it uses less digits than its factorization.

521072056112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26613 (or 26607 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 32.

The spelling of 521072056112 in words is "five hundred twenty-one billion, seventy-two million, fifty-six thousand, one hundred twelve".