120315342520957 has 2 divisors, whose sum is σ = 120315342520958. Its totient is φ = 120315342520956.

The previous prime is 120315342520943. The next prime is 120315342521029. The reversal of 120315342520957 is 759025243513021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111725132540121 + 8590209980836 = 10570011^2 + 2930906^2 .

It is a cyclic number.

It is not a de Polignac number, because 120315342520957 - 2²⁷ = 120315208303229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120315342520957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (120315342520907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60157671260478 + 60157671260479.

It is an arithmetic number, because the mean of its divisors is an integer number (60157671260479).

Almost surely, 2^{120315342520957} is an apocalyptic number.

It is an amenable number.

120315342520957 is a deficient number, since it is larger than the sum of its proper divisors (1).

120315342520957 is an equidigital number, since it uses as much as digits as its factorization.

120315342520957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 120315342520957 in words is "one hundred twenty trillion, three hundred fifteen billion, three hundred forty-two million, five hundred twenty thousand, nine hundred fifty-seven".