125450103091 has 2 divisors, whose sum is σ = 125450103092. Its totient is φ = 125450103090.

The previous prime is 125450103083. The next prime is 125450103101. The reversal of 125450103091 is 190301054521.

It is a weak prime.

It is an emirp because it is prime and its reverse (190301054521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125450103091 - 2³ = 125450103083 is a prime.

It is not a weakly prime, because it can be changed into another prime (125450103001) 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, 62725051545 + 62725051546.

It is an arithmetic number, because the mean of its divisors is an integer number (62725051546).

Almost surely, 2^125450103091 is an apocalyptic number.

125450103091 is a deficient number, since it is larger than the sum of its proper divisors (1).

125450103091 is an equidigital number, since it uses as much as digits as its factorization.

125450103091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 125450103091 in words is "one hundred twenty-five billion, four hundred fifty million, one hundred three thousand, ninety-one".