11863532372 has 24 divisors (see below), whose sum is σ = 20910192576. Its totient is φ = 5889276288.

The previous prime is 11863532353. The next prime is 11863532377. The reversal of 11863532372 is 27323536811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11863532377) 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, 579788 + ... + 599900.

It is an arithmetic number, because the mean of its divisors is an integer number (871258024).

Almost surely, 2^11863532372 is an apocalyptic number.

It is an amenable number.

11863532372 is a deficient number, since it is larger than the sum of its proper divisors (9046660204).

11863532372 is a wasteful number, since it uses less digits than its factorization.

11863532372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21167 (or 21165 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The spelling of 11863532372 in words is "eleven billion, eight hundred sixty-three million, five hundred thirty-two thousand, three hundred seventy-two".