11831912390 has 16 divisors (see below), whose sum is σ = 21699281808. Its totient is φ = 4643467296.

The previous prime is 11831912371. The next prime is 11831912401. The reversal of 11831912390 is 9321913811.

11831912390 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11161652 + ... + 11162711.

It is an arithmetic number, because the mean of its divisors is an integer number (1356205113).

Almost surely, 2^11831912390 is an apocalyptic number.

11831912390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11831912390 is a deficient number, since it is larger than the sum of its proper divisors (9867369418).

11831912390 is a wasteful number, since it uses less digits than its factorization.

11831912390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22324423.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 11831912390 in words is "eleven billion, eight hundred thirty-one million, nine hundred twelve thousand, three hundred ninety".