125591279259 has 16 divisors (see below), whose sum is σ = 175224725504. Its totient is φ = 79916673600.

The previous prime is 125591279227. The next prime is 125591279279. The reversal of 125591279259 is 952972195521.

It is not a de Polignac number, because 125591279259 - 2⁵ = 125591279227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125591279199 and 125591279208.

It is not an unprimeable number, because it can be changed into a prime (125591279279) 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 15 ways as a sum of consecutive naturals, for example, 9242827 + ... + 9256404.

It is an arithmetic number, because the mean of its divisors is an integer number (10951545344).

Almost surely, 2^125591279259 is an apocalyptic number.

125591279259 is a deficient number, since it is larger than the sum of its proper divisors (49633446245).

125591279259 is a wasteful number, since it uses less digits than its factorization.

125591279259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18499338.

The product of its digits is 5103000, while the sum is 57.

The spelling of 125591279259 in words is "one hundred twenty-five billion, five hundred ninety-one million, two hundred seventy-nine thousand, two hundred fifty-nine".