125131413761 has 2 divisors, whose sum is σ = 125131413762. Its totient is φ = 125131413760.

The previous prime is 125131413713. The next prime is 125131413791. The reversal of 125131413761 is 167314131521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122600820736 + 2530593025 = 350144^2 + 50305^2 .

It is a cyclic number.

It is not a de Polignac number, because 125131413761 - 2¹⁰ = 125131412737 is a prime.

It is not a weakly prime, because it can be changed into another prime (125131413791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62565706880 + 62565706881.

It is an arithmetic number, because the mean of its divisors is an integer number (62565706881).

Almost surely, 2^125131413761 is an apocalyptic number.

It is an amenable number.

125131413761 is a deficient number, since it is larger than the sum of its proper divisors (1).

125131413761 is an equidigital number, since it uses as much as digits as its factorization.

125131413761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The spelling of 125131413761 in words is "one hundred twenty-five billion, one hundred thirty-one million, four hundred thirteen thousand, seven hundred sixty-one".