52231814881 has 2 divisors, whose sum is σ = 52231814882. Its totient is φ = 52231814880.

The previous prime is 52231814863. The next prime is 52231814959. The reversal of 52231814881 is 18841813225.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48112229025 + 4119585856 = 219345^2 + 64184^2 .

It is a cyclic number.

It is not a de Polignac number, because 52231814881 - 2¹¹ = 52231812833 is a prime.

It is a super-2 number, since 2×52231814881² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (52231814861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26115907440 + 26115907441.

It is an arithmetic number, because the mean of its divisors is an integer number (26115907441).

Almost surely, 2^52231814881 is an apocalyptic number.

It is an amenable number.

52231814881 is a deficient number, since it is larger than the sum of its proper divisors (1).

52231814881 is an equidigital number, since it uses as much as digits as its factorization.

52231814881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122880, while the sum is 43.

The spelling of 52231814881 in words is "fifty-two billion, two hundred thirty-one million, eight hundred fourteen thousand, eight hundred eighty-one".