11543632672 has 192 divisors, whose sum is σ = 28462492800. Its totient is φ = 4527636480.

The previous prime is 11543632643. The next prime is 11543632699. The reversal of 11543632672 is 27623634511.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13924354 + ... + 13925182.

It is an arithmetic number, because the mean of its divisors is an integer number (148242150).

Almost surely, 2^11543632672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11543632672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14231246400).

11543632672 is an abundant number, since it is smaller than the sum of its proper divisors (16918860128).

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

11543632672 is a wasteful number, since it uses less digits than its factorization.

11543632672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1051 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The spelling of 11543632672 in words is "eleven billion, five hundred forty-three million, six hundred thirty-two thousand, six hundred seventy-two".