521332048004 has 12 divisors (see below), whose sum is σ = 912351129228. Its totient is φ = 260660296800.

The previous prime is 521332047997. The next prime is 521332048057. The reversal of 521332048004 is 400840233125.

It can be written as a sum of positive squares in 2 ways, for example, as 373445654404 + 147886393600 = 611102^2 + 384560^2 .

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, 1223627 + ... + 1593714.

It is an arithmetic number, because the mean of its divisors is an integer number (76029260769).

Almost surely, 2^521332048004 is an apocalyptic number.

It is an amenable number.

521332048004 is a deficient number, since it is larger than the sum of its proper divisors (391019081224).

521332048004 is a wasteful number, since it uses less digits than its factorization.

521332048004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863606 (or 2863604 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 521332048004 in words is "five hundred twenty-one billion, three hundred thirty-two million, forty-eight thousand, four".