125855030840791 has 24 divisors (see below), whose sum is σ = 148470596649024. Its totient is φ = 106353334886400.

The previous prime is 125855030840779. The next prime is 125855030840843. The reversal of 125855030840791 is 197048030558521.

It is not a de Polignac number, because 125855030840791 - 2²⁷ = 125854896623063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125855030840741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1141591 + ... + 15906391.

It is an arithmetic number, because the mean of its divisors is an integer number (6186274860376).

Almost surely, 2^{125855030840791} is an apocalyptic number.

125855030840791 is a deficient number, since it is larger than the sum of its proper divisors (22615565808233).

125855030840791 is a wasteful number, since it uses less digits than its factorization.

125855030840791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14767271 (or 14767264 counting only the distinct ones).

The product of its (nonzero) digits is 12096000, while the sum is 58.

The spelling of 125855030840791 in words is "one hundred twenty-five trillion, eight hundred fifty-five billion, thirty million, eight hundred forty thousand, seven hundred ninety-one".