52028042161 has 2 divisors, whose sum is σ = 52028042162. Its totient is φ = 52028042160.

The previous prime is 52028042113. The next prime is 52028042177. The reversal of 52028042161 is 16124082025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46569640000 + 5458402161 = 215800^2 + 73881^2 .

It is a cyclic number.

It is not a de Polignac number, because 52028042161 - 2²⁵ = 51994487729 is a prime.

It is a super-2 number, since 2×52028042161² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52028042761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26014021080 + 26014021081.

It is an arithmetic number, because the mean of its divisors is an integer number (26014021081).

Almost surely, 2^52028042161 is an apocalyptic number.

It is an amenable number.

52028042161 is a deficient number, since it is larger than the sum of its proper divisors (1).

52028042161 is an equidigital number, since it uses as much as digits as its factorization.

52028042161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 31.

The spelling of 52028042161 in words is "fifty-two billion, twenty-eight million, forty-two thousand, one hundred sixty-one".