11772371564 has 12 divisors (see below), whose sum is σ = 20603731344. Its totient is φ = 5885591184.

The previous prime is 11772371561. The next prime is 11772371593. The reversal of 11772371564 is 46517327711.

It is not an unprimeable number, because it can be changed into a prime (11772371561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102512 + ... + 184535.

It is an arithmetic number, because the mean of its divisors is an integer number (1716977612).

Almost surely, 2^11772371564 is an apocalyptic number.

It is an amenable number.

11772371564 is a deficient number, since it is larger than the sum of its proper divisors (8831359780).

11772371564 is a wasteful number, since it uses less digits than its factorization.

11772371564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297304 (or 297302 counting only the distinct ones).

The product of its digits is 246960, while the sum is 44.

The spelling of 11772371564 in words is "eleven billion, seven hundred seventy-two million, three hundred seventy-one thousand, five hundred sixty-four".