521032055545412 has 12 divisors (see below), whose sum is σ = 959795891794320. Its totient is φ = 246804657889896.

The previous prime is 521032055545403. The next prime is 521032055545451. The reversal of 521032055545412 is 214545550230125.

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, 3427842470618 + ... + 3427842470769.

It is an arithmetic number, because the mean of its divisors is an integer number (79982990982860).

Almost surely, 2^{521032055545412} is an apocalyptic number.

It is an amenable number.

521032055545412 is a deficient number, since it is larger than the sum of its proper divisors (438763836248908).

521032055545412 is a wasteful number, since it uses less digits than its factorization.

521032055545412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855684941410 (or 6855684941408 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 44.

The spelling of 521032055545412 in words is "five hundred twenty-one trillion, thirty-two billion, fifty-five million, five hundred forty-five thousand, four hundred twelve".