11532645444 has 24 divisors (see below), whose sum is σ = 27186926368. Its totient is φ = 3804583680.

The previous prime is 11532645427. The next prime is 11532645491. The reversal of 11532645444 is 44454623511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4952722 + ... + 4955049.

Almost surely, 2^11532645444 is an apocalyptic number.

It is an amenable number.

11532645444 is an abundant number, since it is smaller than the sum of its proper divisors (15654280924).

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

11532645444 is a wasteful number, since it uses less digits than its factorization.

11532645444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9907875 (or 9907873 counting only the distinct ones).

The product of its digits is 230400, while the sum is 39.

The spelling of 11532645444 in words is "eleven billion, five hundred thirty-two million, six hundred forty-five thousand, four hundred forty-four".