5106456325521 has 24 divisors (see below), whose sum is σ = 7605706320576. Its totient is φ = 3299830204320.

The previous prime is 5106456325499. The next prime is 5106456325571. The reversal of 5106456325521 is 1255236546015.

5106456325521 is a `hidden beast` number, since 5 + 1 + 0 + 6 + 4 + 5 + 632 + 5 + 5 + 2 + 1 = 666.

It is not a de Polignac number, because 5106456325521 - 2¹³ = 5106456317329 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5106456325571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64450525 + ... + 64529706.

It is an arithmetic number, because the mean of its divisors is an integer number (316904430024).

Almost surely, 2^{5106456325521} is an apocalyptic number.

It is an amenable number.

5106456325521 is a deficient number, since it is larger than the sum of its proper divisors (2499249995055).

5106456325521 is a wasteful number, since it uses less digits than its factorization.

5106456325521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128980373 (or 128980370 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The spelling of 5106456325521 in words is "five trillion, one hundred six billion, four hundred fifty-six million, three hundred twenty-five thousand, five hundred twenty-one".