5152431355821 has 24 divisors (see below), whose sum is σ = 7682806826240. Its totient is φ = 3324007108800.

The previous prime is 5152431355793. The next prime is 5152431355843. The reversal of 5152431355821 is 1285531342515.

5152431355821 is a `hidden beast` number, since 5 + 1 + 5 + 2 + 4 + 31 + 35 + 582 + 1 = 666.

It is not a de Polignac number, because 5152431355821 - 2⁵ = 5152431355789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5152431355321) 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, 6346950 + ... + 7112568.

Almost surely, 2^{5152431355821} is an apocalyptic number.

It is an amenable number.

5152431355821 is a deficient number, since it is larger than the sum of its proper divisors (2530375470419).

5152431355821 is a wasteful number, since it uses less digits than its factorization.

5152431355821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789777 (or 789774 counting only the distinct ones).

The product of its digits is 720000, while the sum is 45.

The spelling of 5152431355821 in words is "five trillion, one hundred fifty-two billion, four hundred thirty-one million, three hundred fifty-five thousand, eight hundred twenty-one".