11500334512 has 40 divisors (see below), whose sum is σ = 23304695904. Its totient is φ = 5487381504.

The previous prime is 11500334507. The next prime is 11500334533. The reversal of 11500334512 is 21543300511.

It is a happy number.

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, 123258 + ... + 195430.

Almost surely, 2^11500334512 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 11500334512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11652347952).

11500334512 is an abundant number, since it is smaller than the sum of its proper divisors (11804361392).

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

11500334512 is a wasteful number, since it uses less digits than its factorization.

11500334512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72637 (or 72631 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 11500334512 in words is "eleven billion, five hundred million, three hundred thirty-four thousand, five hundred twelve".