125196761633 has 2 divisors, whose sum is σ = 125196761634. Its totient is φ = 125196761632.

The previous prime is 125196761567. The next prime is 125196761639. The reversal of 125196761633 is 336167691521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 111533957089 + 13662804544 = 333967^2 + 116888^2 .

It is a cyclic number.

It is not a de Polignac number, because 125196761633 - 2⁸ = 125196761377 is a prime.

It is not a weakly prime, because it can be changed into another prime (125196761639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62598380816 + 62598380817.

It is an arithmetic number, because the mean of its divisors is an integer number (62598380817).

Almost surely, 2^125196761633 is an apocalyptic number.

It is an amenable number.

125196761633 is a deficient number, since it is larger than the sum of its proper divisors (1).

125196761633 is an equidigital number, since it uses as much as digits as its factorization.

125196761633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The spelling of 125196761633 in words is "one hundred twenty-five billion, one hundred ninety-six million, seven hundred sixty-one thousand, six hundred thirty-three".