521457113282 has 16 divisors (see below), whose sum is σ = 895254767232. Its totient is φ = 223149548160.

The previous prime is 521457113251. The next prime is 521457113311. The reversal of 521457113282 is 282311754125.

It is a happy 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, 27662894 + ... + 27681737.

It is an arithmetic number, because the mean of its divisors is an integer number (55953422952).

Almost surely, 2^521457113282 is an apocalyptic number.

521457113282 is a deficient number, since it is larger than the sum of its proper divisors (373797653950).

521457113282 is a wasteful number, since it uses less digits than its factorization.

521457113282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55345313.

The product of its digits is 134400, while the sum is 41.

The spelling of 521457113282 in words is "five hundred twenty-one billion, four hundred fifty-seven million, one hundred thirteen thousand, two hundred eighty-two".