11381890732 has 12 divisors (see below), whose sum is σ = 19919170096. Its totient is φ = 5690699280.

The previous prime is 11381890693. The next prime is 11381890759. The reversal of 11381890732 is 23709818311.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77398 + ... + 169570.

Almost surely, 2^11381890732 is an apocalyptic number.

It is an amenable number.

11381890732 is a deficient number, since it is larger than the sum of its proper divisors (8537279364).

11381890732 is a wasteful number, since it uses less digits than its factorization.

11381890732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123048 (or 123046 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 11381890732 in words is "eleven billion, three hundred eighty-one million, eight hundred ninety thousand, seven hundred thirty-two".