11543072072 has 32 divisors (see below), whose sum is σ = 25588094400. Its totient is φ = 4776442944.

The previous prime is 11543072069. The next prime is 11543072087. The reversal of 11543072072 is 27027034511.

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, 3552278 + ... + 3555525.

It is an arithmetic number, because the mean of its divisors is an integer number (799627950).

Almost surely, 2^11543072072 is an apocalyptic number.

It is an amenable number.

11543072072 is an abundant number, since it is smaller than the sum of its proper divisors (14045022328).

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

11543072072 is a wasteful number, since it uses less digits than its factorization.

11543072072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7107845 (or 7107841 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The spelling of 11543072072 in words is "eleven billion, five hundred forty-three million, seventy-two thousand, seventy-two".