11772073305472 has 64 divisors (see below), whose sum is σ = 23477448234240. Its totient is φ = 5879697776640.

The previous prime is 11772073305463. The next prime is 11772073305479. The reversal of 11772073305472 is 27450337027711.

11772073305472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11772073305479) 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, 480147358 + ... + 480171874.

It is an arithmetic number, because the mean of its divisors is an integer number (366835128660).

Almost surely, 2^{11772073305472} is an apocalyptic number.

It is an amenable number.

11772073305472 is a deficient number, since it is larger than the sum of its proper divisors (11705374928768).

11772073305472 is a wasteful number, since it uses less digits than its factorization.

11772073305472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28419 (or 28407 counting only the distinct ones).

The product of its (nonzero) digits is 1728720, while the sum is 49.

The spelling of 11772073305472 in words is "eleven trillion, seven hundred seventy-two billion, seventy-three million, three hundred five thousand, four hundred seventy-two".