125943820095 has 24 divisors (see below), whose sum is σ = 210652361136. Its totient is φ = 64249596928.

The previous prime is 125943820087. The next prime is 125943820097. The reversal of 125943820095 is 590028349521.

It is a happy number.

It is not a de Polignac number, because 125943820095 - 2³ = 125943820087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125943820097) 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 in 23 ways as a sum of consecutive naturals, for example, 7928034 + ... + 7943903.

It is an arithmetic number, because the mean of its divisors is an integer number (8777181714).

Almost surely, 2^125943820095 is an apocalyptic number.

125943820095 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125943820095 is a deficient number, since it is larger than the sum of its proper divisors (84708541041).

125943820095 is a wasteful number, since it uses less digits than its factorization.

125943820095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15871991 (or 15871968 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

The spelling of 125943820095 in words is "one hundred twenty-five billion, nine hundred forty-three million, eight hundred twenty thousand, ninety-five".