10986991568 has 40 divisors (see below), whose sum is σ = 24401920320. Its totient is φ = 4694469120.

The previous prime is 10986991553. The next prime is 10986991571. The reversal of 10986991568 is 86519968901.

It is a self number, because there is not a number n which added to its sum of digits gives 10986991568.

It is a congruent 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, 111113 + ... + 185256.

It is an arithmetic number, because the mean of its divisors is an integer number (610048008).

Almost surely, 2^10986991568 is an apocalyptic number.

It is an amenable number.

10986991568 is an abundant number, since it is smaller than the sum of its proper divisors (13414928752).

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

10986991568 is a wasteful number, since it uses less digits than its factorization.

10986991568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296715 (or 296709 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 62.

The spelling of 10986991568 in words is "ten billion, nine hundred eighty-six million, nine hundred ninety-one thousand, five hundred sixty-eight".