125116511497 has 2 divisors, whose sum is σ = 125116511498. Its totient is φ = 125116511496.

The previous prime is 125116511483. The next prime is 125116511537. The reversal of 125116511497 is 794115611521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121535207161 + 3581304336 = 348619^2 + 59844^2 .

It is a cyclic number.

It is not a de Polignac number, because 125116511497 - 2¹¹ = 125116509449 is a prime.

It is not a weakly prime, because it can be changed into another prime (125116511197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62558255748 + 62558255749.

It is an arithmetic number, because the mean of its divisors is an integer number (62558255749).

Almost surely, 2^125116511497 is an apocalyptic number.

It is an amenable number.

125116511497 is a deficient number, since it is larger than the sum of its proper divisors (1).

125116511497 is an equidigital number, since it uses as much as digits as its factorization.

125116511497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 43.

The spelling of 125116511497 in words is "one hundred twenty-five billion, one hundred sixteen million, five hundred eleven thousand, four hundred ninety-seven".