52160117021 has 2 divisors, whose sum is σ = 52160117022. Its totient is φ = 52160117020.

The previous prime is 52160117017. The next prime is 52160117029. The reversal of 52160117021 is 12071106125.

52160117021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33113080900 + 19047036121 = 181970^2 + 138011^2 .

It is a cyclic number.

It is not a de Polignac number, because 52160117021 - 2² = 52160117017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52160117029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26080058510 + 26080058511.

It is an arithmetic number, because the mean of its divisors is an integer number (26080058511).

Almost surely, 2^52160117021 is an apocalyptic number.

It is an amenable number.

52160117021 is a deficient number, since it is larger than the sum of its proper divisors (1).

52160117021 is an equidigital number, since it uses as much as digits as its factorization.

52160117021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 26.

The spelling of 52160117021 in words is "fifty-two billion, one hundred sixty million, one hundred seventeen thousand, twenty-one".