12157360250677 has 2 divisors, whose sum is σ = 12157360250678. Its totient is φ = 12157360250676.

The previous prime is 12157360250663. The next prime is 12157360250683. The reversal of 12157360250677 is 77605206375121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7492477343121 + 4664882907556 = 2737239^2 + 2159834^2 .

It is a cyclic number.

It is not a de Polignac number, because 12157360250677 - 2⁷ = 12157360250549 is a prime.

It is a super-2 number, since 2×12157360250677² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12157360250617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078680125338 + 6078680125339.

It is an arithmetic number, because the mean of its divisors is an integer number (6078680125339).

Almost surely, 2^{12157360250677} is an apocalyptic number.

It is an amenable number.

12157360250677 is a deficient number, since it is larger than the sum of its proper divisors (1).

12157360250677 is an equidigital number, since it uses as much as digits as its factorization.

12157360250677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3704400, while the sum is 52.

The spelling of 12157360250677 in words is "twelve trillion, one hundred fifty-seven billion, three hundred sixty million, two hundred fifty thousand, six hundred seventy-seven".