521461517326132 has 48 divisors (see below), whose sum is σ = 940201081585920. Its totient is φ = 252936234102272.

The previous prime is 521461517326121. The next prime is 521461517326133. The reversal of 521461517326132 is 231623715164125.

It is a super-4 number, since 4×521461517326132⁴ (a number of 60 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521461517326133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1611888 + ... + 32334520.

It is an arithmetic number, because the mean of its divisors is an integer number (19587522533040).

Almost surely, 2^{521461517326132} is an apocalyptic number.

It is an amenable number.

521461517326132 is a deficient number, since it is larger than the sum of its proper divisors (418739564259788).

521461517326132 is a wasteful number, since it uses less digits than its factorization.

521461517326132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30723480 (or 30723478 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 49.

The spelling of 521461517326132 in words is "five hundred twenty-one trillion, four hundred sixty-one billion, five hundred seventeen million, three hundred twenty-six thousand, one hundred thirty-two".