11239923894 has 32 divisors (see below), whose sum is σ = 22567925760. Its totient is φ = 3731983200.

The previous prime is 11239923883. The next prime is 11239923901. The reversal of 11239923894 is 49832993211.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3312939 + ... + 3316329.

It is an arithmetic number, because the mean of its divisors is an integer number (705247680).

Almost surely, 2^11239923894 is an apocalyptic number.

11239923894 is an abundant number, since it is smaller than the sum of its proper divisors (11328001866).

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

11239923894 is a wasteful number, since it uses less digits than its factorization.

11239923894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5396.

The product of its digits is 839808, while the sum is 51.

The spelling of 11239923894 in words is "eleven billion, two hundred thirty-nine million, nine hundred twenty-three thousand, eight hundred ninety-four".