12157044075089 has 2 divisors, whose sum is σ = 12157044075090. Its totient is φ = 12157044075088.

The previous prime is 12157044075083. The next prime is 12157044075097. The reversal of 12157044075089 is 98057044075121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8448858382864 + 3708185692225 = 2906692^2 + 1925665^2 .

It is a cyclic number.

It is not a de Polignac number, because 12157044075089 - 2²⁴ = 12157027297873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12157044075089.

It is not a weakly prime, because it can be changed into another prime (12157044075083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6078522037544 + 6078522037545.

It is an arithmetic number, because the mean of its divisors is an integer number (6078522037545).

Almost surely, 2^{12157044075089} is an apocalyptic number.

It is an amenable number.

12157044075089 is a deficient number, since it is larger than the sum of its proper divisors (1).

12157044075089 is an equidigital number, since it uses as much as digits as its factorization.

12157044075089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2822400, while the sum is 53.

The spelling of 12157044075089 in words is "twelve trillion, one hundred fifty-seven billion, forty-four million, seventy-five thousand, eighty-nine".