125351815703 has 2 divisors, whose sum is σ = 125351815704. Its totient is φ = 125351815702.

The previous prime is 125351815679. The next prime is 125351815759. The reversal of 125351815703 is 307518153521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 125351815703 - 2²⁶ = 125284706839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125351815783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62675907851 + 62675907852.

It is an arithmetic number, because the mean of its divisors is an integer number (62675907852).

Almost surely, 2^125351815703 is an apocalyptic number.

125351815703 is a deficient number, since it is larger than the sum of its proper divisors (1).

125351815703 is an equidigital number, since it uses as much as digits as its factorization.

125351815703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 125351815703 in words is "one hundred twenty-five billion, three hundred fifty-one million, eight hundred fifteen thousand, seven hundred three".