11725715613 has 8 divisors (see below), whose sum is σ = 16457144800. Its totient is φ = 7405715088.

The previous prime is 11725715543. The next prime is 11725715641. The reversal of 11725715613 is 31651752711.

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

It is not a de Polignac number, because 11725715613 - 2¹⁶ = 11725650077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11725715413) 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, 102857098 + ... + 102857211.

It is an arithmetic number, because the mean of its divisors is an integer number (2057143100).

Almost surely, 2^11725715613 is an apocalyptic number.

It is an amenable number.

11725715613 is a deficient number, since it is larger than the sum of its proper divisors (4731429187).

11725715613 is a wasteful number, since it uses less digits than its factorization.

11725715613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205714331.

The product of its digits is 44100, while the sum is 39.

It can be divided in two parts, 117257 and 15613, that added together give a triangular number (132870 = T₅₁₅).

The spelling of 11725715613 in words is "eleven billion, seven hundred twenty-five million, seven hundred fifteen thousand, six hundred thirteen".