11560523772 has 24 divisors (see below), whose sum is σ = 30828063616. Its totient is φ = 3303006768.

The previous prime is 11560523771. The next prime is 11560523797. The reversal of 11560523772 is 27732506511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11560523772.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11560523771) 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, 68812558 + ... + 68812725.

Almost surely, 2^11560523772 is an apocalyptic number.

11560523772 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11560523772 is an abundant number, since it is smaller than the sum of its proper divisors (19267539844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11560523772 is a wasteful number, since it uses less digits than its factorization.

11560523772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137625297 (or 137625295 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 11560523772 in words is "eleven billion, five hundred sixty million, five hundred twenty-three thousand, seven hundred seventy-two".