125581269399 has 8 divisors (see below), whose sum is σ = 167450680320. Its totient is φ = 83716352376.

The previous prime is 125581269379. The next prime is 125581269427. The reversal of 125581269399 is 993962185521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125581269399 - 2¹⁹ = 125580745111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125581269379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057719 + ... + 1170440.

It is an arithmetic number, because the mean of its divisors is an integer number (20931335040).

Almost surely, 2^125581269399 is an apocalyptic number.

125581269399 is a deficient number, since it is larger than the sum of its proper divisors (41869410921).

125581269399 is a wasteful number, since it uses less digits than its factorization.

125581269399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2246949.

The product of its digits is 10497600, while the sum is 60.

The spelling of 125581269399 in words is "one hundred twenty-five billion, five hundred eighty-one million, two hundred sixty-nine thousand, three hundred ninety-nine".