11113320444 has 144 divisors (see below), whose sum is σ = 28485012192. Its totient is φ = 3369074688.

The previous prime is 11113320437. The next prime is 11113320451. The reversal of 11113320444 is 44402331111.

It is an interprime number because it is at equal distance from previous prime (11113320437) and next prime (11113320451).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32977044 + ... + 32977380.

Almost surely, 2^11113320444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11113320444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14242506096).

11113320444 is an abundant number, since it is smaller than the sum of its proper divisors (17371691748).

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

11113320444 is a wasteful number, since it uses less digits than its factorization.

11113320444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11113320444 its reverse (44402331111), we get a palindrome (55515651555).

The spelling of 11113320444 in words is "eleven billion, one hundred thirteen million, three hundred twenty thousand, four hundred forty-four".