11115254144 has 96 divisors (see below), whose sum is σ = 23614825800. Its totient is φ = 5196939264.

The previous prime is 11115254113. The next prime is 11115254219. The reversal of 11115254144 is 44145251111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19263584 + ... + 19264160.

Almost surely, 2^11115254144 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 11115254144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11807412900).

11115254144 is an abundant number, since it is smaller than the sum of its proper divisors (12499571656).

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

11115254144 is an frugal number, since it uses more digits than its factorization.

11115254144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788 (or 687 counting only the distinct ones).

The product of its digits is 3200, while the sum is 29.

The spelling of 11115254144 in words is "eleven billion, one hundred fifteen million, two hundred fifty-four thousand, one hundred forty-four".