125116511537 has 2 divisors, whose sum is σ = 125116511538. Its totient is φ = 125116511536.

The previous prime is 125116511497. The next prime is 125116511561. The reversal of 125116511537 is 735115611521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125106519616 + 9991921 = 353704^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 125116511537 - 2²² = 125112317233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125116511537.

It is not a weakly prime, because it can be changed into another prime (125116513537) 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, 62558255768 + 62558255769.

It is an arithmetic number, because the mean of its divisors is an integer number (62558255769).

Almost surely, 2^125116511537 is an apocalyptic number.

It is an amenable number.

125116511537 is a deficient number, since it is larger than the sum of its proper divisors (1).

125116511537 is an equidigital number, since it uses as much as digits as its factorization.

125116511537 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 38.

The spelling of 125116511537 in words is "one hundred twenty-five billion, one hundred sixteen million, five hundred eleven thousand, five hundred thirty-seven".