11572247725 has 24 divisors (see below), whose sum is σ = 14855076000. Its totient is φ = 8932136640.

The previous prime is 11572247723. The next prime is 11572247737. The reversal of 11572247725 is 52774227511.

It is not a de Polignac number, because 11572247725 - 2¹ = 11572247723 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11572247723) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1168846 + ... + 1178704.

It is an arithmetic number, because the mean of its divisors is an integer number (618961500).

Almost surely, 2^11572247725 is an apocalyptic number.

It is an amenable number.

11572247725 is a deficient number, since it is larger than the sum of its proper divisors (3282828275).

11572247725 is a wasteful number, since it uses less digits than its factorization.

11572247725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11517 (or 11512 counting only the distinct ones).

The product of its digits is 274400, while the sum is 43.

The spelling of 11572247725 in words is "eleven billion, five hundred seventy-two million, two hundred forty-seven thousand, seven hundred twenty-five".