125539274507 has 2 divisors, whose sum is σ = 125539274508. Its totient is φ = 125539274506.

The previous prime is 125539274479. The next prime is 125539274513. The reversal of 125539274507 is 705472935521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125539274507 - 2⁸ = 125539274251 is a prime.

It is not a weakly prime, because it can be changed into another prime (125539276507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62769637253 + 62769637254.

It is an arithmetic number, because the mean of its divisors is an integer number (62769637254).

Almost surely, 2^125539274507 is an apocalyptic number.

125539274507 is a deficient number, since it is larger than the sum of its proper divisors (1).

125539274507 is an equidigital number, since it uses as much as digits as its factorization.

125539274507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646000, while the sum is 50.

The spelling of 125539274507 in words is "one hundred twenty-five billion, five hundred thirty-nine million, two hundred seventy-four thousand, five hundred seven".