5122840764557 has 2 divisors, whose sum is σ = 5122840764558. Its totient is φ = 5122840764556.

The previous prime is 5122840764553. The next prime is 5122840764577. The reversal of 5122840764557 is 7554670482215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4742264050276 + 380576714281 = 2177674^2 + 616909^2 .

It is a cyclic number.

It is not a de Polignac number, because 5122840764557 - 2² = 5122840764553 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5122840764551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561420382278 + 2561420382279.

It is an arithmetic number, because the mean of its divisors is an integer number (2561420382279).

Almost surely, 2^{5122840764557} is an apocalyptic number.

It is an amenable number.

5122840764557 is a deficient number, since it is larger than the sum of its proper divisors (1).

5122840764557 is an equidigital number, since it uses as much as digits as its factorization.

5122840764557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816000, while the sum is 56.

The spelling of 5122840764557 in words is "five trillion, one hundred twenty-two billion, eight hundred forty million, seven hundred sixty-four thousand, five hundred fifty-seven".