125243475995 has 8 divisors (see below), whose sum is σ = 163955095920. Its totient is φ = 91086164320.

The previous prime is 125243475971. The next prime is 125243475997. The reversal of 125243475995 is 599574342521.

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

It is not a de Polignac number, because 125243475995 - 2¹⁴ = 125243459611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 125243475995.

It is not an unprimeable number, because it can be changed into a prime (125243475997) 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, 1138577000 + ... + 1138577109.

It is an arithmetic number, because the mean of its divisors is an integer number (20494386990).

Almost surely, 2^125243475995 is an apocalyptic number.

125243475995 is a deficient number, since it is larger than the sum of its proper divisors (38711619925).

125243475995 is a wasteful number, since it uses less digits than its factorization.

125243475995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277154125.

The product of its digits is 13608000, while the sum is 56.

The spelling of 125243475995 in words is "one hundred twenty-five billion, two hundred forty-three million, four hundred seventy-five thousand, nine hundred ninety-five".