52113223181 has 2 divisors, whose sum is σ = 52113223182. Its totient is φ = 52113223180.

The previous prime is 52113223163. The next prime is 52113223219. The reversal of 52113223181 is 18132231125.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49339515625 + 2773707556 = 222125^2 + 52666^2 .

It is a cyclic number.

It is not a de Polignac number, because 52113223181 - 2³⁰ = 51039481357 is a prime.

It is a super-2 number, since 2×52113223181² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52113273181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26056611590 + 26056611591.

It is an arithmetic number, because the mean of its divisors is an integer number (26056611591).

Almost surely, 2^52113223181 is an apocalyptic number.

It is an amenable number.

52113223181 is a deficient number, since it is larger than the sum of its proper divisors (1).

52113223181 is an equidigital number, since it uses as much as digits as its factorization.

52113223181 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 29.

The spelling of 52113223181 in words is "fifty-two billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred eighty-one".