5022555525661 has 2 divisors, whose sum is σ = 5022555525662. Its totient is φ = 5022555525660.

The previous prime is 5022555525587. The next prime is 5022555525677. The reversal of 5022555525661 is 1665255552205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4605019856761 + 417535668900 = 2145931^2 + 646170^2 .

It is a cyclic number.

It is not a de Polignac number, because 5022555525661 - 2¹¹ = 5022555523613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5022555525061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2511277762830 + 2511277762831.

It is an arithmetic number, because the mean of its divisors is an integer number (2511277762831).

Almost surely, 2^{5022555525661} is an apocalyptic number.

It is an amenable number.

5022555525661 is a deficient number, since it is larger than the sum of its proper divisors (1).

5022555525661 is an equidigital number, since it uses as much as digits as its factorization.

5022555525661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500000, while the sum is 49.

The spelling of 5022555525661 in words is "five trillion, twenty-two billion, five hundred fifty-five million, five hundred twenty-five thousand, six hundred sixty-one".