5351121532521 has 12 divisors (see below), whose sum is σ = 7729431872448. Its totient is φ = 3567398615064.

The previous prime is 5351121532487. The next prime is 5351121532541. The reversal of 5351121532521 is 1252351211535.

5351121532521 is a `hidden beast` number, since 5 + 3 + 5 + 1 + 121 + 5 + 3 + 2 + 521 = 666.

It is not a de Polignac number, because 5351121532521 - 2¹⁷ = 5351121401449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5351121532541) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1068876 + ... + 3441618.

It is an arithmetic number, because the mean of its divisors is an integer number (644119322704).

Almost surely, 2^{5351121532521} is an apocalyptic number.

It is an amenable number.

5351121532521 is a deficient number, since it is larger than the sum of its proper divisors (2378310339927).

5351121532521 is a wasteful number, since it uses less digits than its factorization.

5351121532521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2623332 (or 2623329 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The spelling of 5351121532521 in words is "five trillion, three hundred fifty-one billion, one hundred twenty-one million, five hundred thirty-two thousand, five hundred twenty-one".