11812731594 has 8 divisors (see below), whose sum is σ = 23625463200. Its totient is φ = 3937577196.

The previous prime is 11812731587. The next prime is 11812731611. The reversal of 11812731594 is 49513721811.

11812731594 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

11812731594 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 984394294 + ... + 984394305.

It is an arithmetic number, because the mean of its divisors is an integer number (2953182900).

Almost surely, 2^11812731594 is an apocalyptic number.

11812731594 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11812731594 is a wasteful number, since it uses less digits than its factorization.

11812731594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968788604.

The product of its digits is 60480, while the sum is 42.

The spelling of 11812731594 in words is "eleven billion, eight hundred twelve million, seven hundred thirty-one thousand, five hundred ninety-four".