15116125457 has 2 divisors, whose sum is σ = 15116125458. Its totient is φ = 15116125456.

The previous prime is 15116125421. The next prime is 15116125463. The reversal of 15116125457 is 75452161151.

15116125457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14409841681 + 706283776 = 120041^2 + 26576^2 .

It is a cyclic number.

It is not a de Polignac number, because 15116125457 - 2²⁸ = 14847690001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 15116125457.

It is not a weakly prime, because it can be changed into another prime (15116125417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7558062728 + 7558062729.

It is an arithmetic number, because the mean of its divisors is an integer number (7558062729).

Almost surely, 2^15116125457 is an apocalyptic number.

It is an amenable number.

15116125457 is a deficient number, since it is larger than the sum of its proper divisors (1).

15116125457 is an equidigital number, since it uses as much as digits as its factorization.

15116125457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42000, while the sum is 38.

The spelling of 15116125457 in words is "fifteen billion, one hundred sixteen million, one hundred twenty-five thousand, four hundred fifty-seven".