5252805079961 has 2 divisors, whose sum is σ = 5252805079962. Its totient is φ = 5252805079960.

The previous prime is 5252805079909. The next prime is 5252805079999. The reversal of 5252805079961 is 1699705082525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5248681000000 + 4124079961 = 2291000^2 + 64219^2 .

It is a cyclic number.

It is not a de Polignac number, because 5252805079961 - 2²⁶ = 5252737971097 is a prime.

It is a super-2 number, since 2×5252805079961² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5252805079961.

It is not a weakly prime, because it can be changed into another prime (5252805019961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626402539980 + 2626402539981.

It is an arithmetic number, because the mean of its divisors is an integer number (2626402539981).

Almost surely, 2^{5252805079961} is an apocalyptic number.

It is an amenable number.

5252805079961 is a deficient number, since it is larger than the sum of its proper divisors (1).

5252805079961 is an equidigital number, since it uses as much as digits as its factorization.

5252805079961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13608000, while the sum is 59.

The spelling of 5252805079961 in words is "five trillion, two hundred fifty-two billion, eight hundred five million, seventy-nine thousand, nine hundred sixty-one".