11142223044 has 12 divisors (see below), whose sum is σ = 25998520464. Its totient is φ = 3714074344.

The previous prime is 11142223009. The next prime is 11142223061. The reversal of 11142223044 is 44032224111.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 464259282 + ... + 464259305.

It is an arithmetic number, because the mean of its divisors is an integer number (2166543372).

Almost surely, 2^11142223044 is an apocalyptic number.

It is an amenable number.

11142223044 is an abundant number, since it is smaller than the sum of its proper divisors (14856297420).

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

11142223044 is a wasteful number, since it uses less digits than its factorization.

11142223044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928518594 (or 928518592 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11142223044 its reverse (44032224111), we get a palindrome (55174447155).

The spelling of 11142223044 in words is "eleven billion, one hundred forty-two million, two hundred twenty-three thousand, forty-four".