11145222555124 has 96 divisors (see below), whose sum is σ = 24850895973120. Its totient is φ = 4257734326272.

The previous prime is 11145222555119. The next prime is 11145222555127. The reversal of 11145222555124 is 42155522254111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11145222555127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31996282 + ... + 32342734.

It is an arithmetic number, because the mean of its divisors is an integer number (258863499720).

Almost surely, 2^{11145222555124} is an apocalyptic number.

11145222555124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11145222555124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12425447986560).

11145222555124 is an abundant number, since it is smaller than the sum of its proper divisors (13705673417996).

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

11145222555124 is a wasteful number, since it uses less digits than its factorization.

11145222555124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350057 (or 350055 counting only the distinct ones).

The product of its digits is 160000, while the sum is 40.

The spelling of 11145222555124 in words is "eleven trillion, one hundred forty-five billion, two hundred twenty-two million, five hundred fifty-five thousand, one hundred twenty-four".