11555706325 has 12 divisors (see below), whose sum is σ = 14420348740. Its totient is φ = 9185679360.

The previous prime is 11555706313. The next prime is 11555706341. The reversal of 11555706325 is 52360755511.

It can be written as a sum of positive squares in 6 ways, for example, as 1705937809 + 9849768516 = 41303^2 + 99246^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11555706325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1468140 + ... + 1475989.

Almost surely, 2^11555706325 is an apocalyptic number.

It is an amenable number.

11555706325 is a deficient number, since it is larger than the sum of its proper divisors (2864642415).

11555706325 is a wasteful number, since it uses less digits than its factorization.

11555706325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944296 (or 2944291 counting only the distinct ones).

The product of its (nonzero) digits is 157500, while the sum is 40.

The spelling of 11555706325 in words is "eleven billion, five hundred fifty-five million, seven hundred six thousand, three hundred twenty-five".