10900991992 has 16 divisors (see below), whose sum is σ = 22297483800. Its totient is φ = 4954996320.

The previous prime is 10900991951. The next prime is 10900992001. The reversal of 10900991992 is 29919900901.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61937367 + ... + 61937542.

Almost surely, 2^10900991992 is an apocalyptic number.

It is an amenable number.

10900991992 is an abundant number, since it is smaller than the sum of its proper divisors (11396491808).

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

10900991992 is a wasteful number, since it uses less digits than its factorization.

10900991992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123874926 (or 123874922 counting only the distinct ones).

The product of its (nonzero) digits is 118098, while the sum is 49.

The spelling of 10900991992 in words is "ten billion, nine hundred million, nine hundred ninety-one thousand, nine hundred ninety-two".