11534866782372 has 48 divisors (see below), whose sum is σ = 29905599304000. Its totient is φ = 3844905563520.

The previous prime is 11534866782353. The next prime is 11534866782407. The reversal of 11534866782372 is 27328766843511.

It is a happy number.

11534866782372 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 486 + 6 + 7 + 82 + 3 + 72 = 666.

11534866782372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8164047 + ... + 9472137.

Almost surely, 2^{11534866782372} is an apocalyptic number.

11534866782372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11534866782372 is an abundant number, since it is smaller than the sum of its proper divisors (18370732521628).

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

11534866782372 is a wasteful number, since it uses less digits than its factorization.

11534866782372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389753 (or 1389745 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 11534866782372 in words is "eleven trillion, five hundred thirty-four billion, eight hundred sixty-six million, seven hundred eighty-two thousand, three hundred seventy-two".