125510047951 has 2 divisors, whose sum is σ = 125510047952. Its totient is φ = 125510047950.

The previous prime is 125510047937. The next prime is 125510048023. The reversal of 125510047951 is 159740015521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125510047951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125510047931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62755023975 + 62755023976.

It is an arithmetic number, because the mean of its divisors is an integer number (62755023976).

Almost surely, 2^125510047951 is an apocalyptic number.

125510047951 is a deficient number, since it is larger than the sum of its proper divisors (1).

125510047951 is an equidigital number, since it uses as much as digits as its factorization.

125510047951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 125510047951 in words is "one hundred twenty-five billion, five hundred ten million, forty-seven thousand, nine hundred fifty-one".