11772640144 has 20 divisors (see below), whose sum is σ = 22817669040. Its totient is φ = 5884209440.

The previous prime is 11772640129. The next prime is 11772640153. The reversal of 11772640144 is 44104627711.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85402 + ... + 175609.

It is an arithmetic number, because the mean of its divisors is an integer number (1140883452).

Almost surely, 2^11772640144 is an apocalyptic number.

It is an amenable number.

11772640144 is a deficient number, since it is larger than the sum of its proper divisors (11045028896).

11772640144 is a wasteful number, since it uses less digits than its factorization.

11772640144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263838 (or 263832 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 11772640144 in words is "eleven billion, seven hundred seventy-two million, six hundred forty thousand, one hundred forty-four".