120762715116557 has 2 divisors, whose sum is σ = 120762715116558. Its totient is φ = 120762715116556.

The previous prime is 120762715116529. The next prime is 120762715116601. The reversal of 120762715116557 is 755611517267021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101148498822121 + 19614216294436 = 10057261^2 + 4428794^2 .

It is a cyclic number.

It is not a de Polignac number, because 120762715116557 - 2⁶ = 120762715116493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120762715116457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60381357558278 + 60381357558279.

It is an arithmetic number, because the mean of its divisors is an integer number (60381357558279).

Almost surely, 2^{120762715116557} is an apocalyptic number.

It is an amenable number.

120762715116557 is a deficient number, since it is larger than the sum of its proper divisors (1).

120762715116557 is an equidigital number, since it uses as much as digits as its factorization.

120762715116557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6174000, while the sum is 56.

The spelling of 120762715116557 in words is "one hundred twenty trillion, seven hundred sixty-two billion, seven hundred fifteen million, one hundred sixteen thousand, five hundred fifty-seven".