125319632651 has 2 divisors, whose sum is σ = 125319632652. Its totient is φ = 125319632650.

The previous prime is 125319632611. The next prime is 125319632653. The reversal of 125319632651 is 156236913521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125319632651 is a prime.

Together with 125319632653, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (125319632653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62659816325 + 62659816326.

It is an arithmetic number, because the mean of its divisors is an integer number (62659816326).

Almost surely, 2^125319632651 is an apocalyptic number.

125319632651 is a deficient number, since it is larger than the sum of its proper divisors (1).

125319632651 is an equidigital number, since it uses as much as digits as its factorization.

125319632651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 44.

The spelling of 125319632651 in words is "one hundred twenty-five billion, three hundred nineteen million, six hundred thirty-two thousand, six hundred fifty-one".