125203300091 has 2 divisors, whose sum is σ = 125203300092. Its totient is φ = 125203300090.

The previous prime is 125203300039. The next prime is 125203300097. The reversal of 125203300091 is 190003302521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 125203300091 - 2²⁶ = 125136191227 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125203300091.

It is not a weakly prime, because it can be changed into another prime (125203300097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62601650045 + 62601650046.

It is an arithmetic number, because the mean of its divisors is an integer number (62601650046).

Almost surely, 2^125203300091 is an apocalyptic number.

125203300091 is a deficient number, since it is larger than the sum of its proper divisors (1).

125203300091 is an equidigital number, since it uses as much as digits as its factorization.

125203300091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The spelling of 125203300091 in words is "one hundred twenty-five billion, two hundred three million, three hundred thousand, ninety-one".