125724492775 has 36 divisors (see below), whose sum is σ = 183536268552. Its totient is φ = 85172324160.

The previous prime is 125724492721. The next prime is 125724492791. The reversal of 125724492775 is 577294427521.

It is not a de Polignac number, because 125724492775 - 2¹³ = 125724484583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 516592 + ... + 719941.

It is an arithmetic number, because the mean of its divisors is an integer number (5098229682).

Almost surely, 2^125724492775 is an apocalyptic number.

125724492775 is a deficient number, since it is larger than the sum of its proper divisors (57811775777).

125724492775 is a wasteful number, since it uses less digits than its factorization.

125724492775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236640 (or 1236628 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 55.

The spelling of 125724492775 in words is "one hundred twenty-five billion, seven hundred twenty-four million, four hundred ninety-two thousand, seven hundred seventy-five".