11764873156 has 27 divisors (see below), whose sum is σ = 20769669543. Its totient is φ = 5831132160.

The previous prime is 11764873123. The next prime is 11764873163. The reversal of 11764873156 is 65137846711.

The square root of 11764873156 is 108466.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 97416900 + 11667456256 = 9870^2 + 108016^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 41867736 + ... + 41868016.

Almost surely, 2^11764873156 is an apocalyptic number.

11764873156 is the 108466-th square number.

It is an amenable number.

11764873156 is a deficient number, since it is larger than the sum of its proper divisors (9004796387).

11764873156 is an frugal number, since it uses more digits than its factorization.

11764873156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 476 counting only the distinct ones).

The product of its digits is 846720, while the sum is 49.

Multiplying 11764873156 by its sum of digits (49), we get a square (576478784644 = 759262²).

The spelling of 11764873156 in words is "eleven billion, seven hundred sixty-four million, eight hundred seventy-three thousand, one hundred fifty-six".