10931987016 has 32 divisors (see below), whose sum is σ = 30366631200. Its totient is φ = 3643995600.

The previous prime is 10931986999. The next prime is 10931987023. The reversal of 10931987016 is 61078913901.

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, 25305310 + ... + 25305741.

It is an arithmetic number, because the mean of its divisors is an integer number (948957225).

Almost surely, 2^10931987016 is an apocalyptic number.

It is an amenable number.

10931987016 is an abundant number, since it is smaller than the sum of its proper divisors (19434644184).

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

10931987016 is a wasteful number, since it uses less digits than its factorization.

10931987016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50611066 (or 50611056 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The spelling of 10931987016 in words is "ten billion, nine hundred thirty-one million, nine hundred eighty-seven thousand, sixteen".