11772954132 has 12 divisors (see below), whose sum is σ = 27470226336. Its totient is φ = 3924318040.

The previous prime is 11772954091. The next prime is 11772954139. The reversal of 11772954132 is 23145927711.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772954139) 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, 490539744 + ... + 490539767.

It is an arithmetic number, because the mean of its divisors is an integer number (2289185528).

Almost surely, 2^11772954132 is an apocalyptic number.

11772954132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11772954132 is an abundant number, since it is smaller than the sum of its proper divisors (15697272204).

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

11772954132 is a wasteful number, since it uses less digits than its factorization.

11772954132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981079518 (or 981079516 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The spelling of 11772954132 in words is "eleven billion, seven hundred seventy-two million, nine hundred fifty-four thousand, one hundred thirty-two".