11115132143444 has 48 divisors (see below), whose sum is σ = 22393404270720. Its totient is φ = 4728672215040.

The previous prime is 11115132143371. The next prime is 11115132143447. The reversal of 11115132143444 is 44434123151111.

It is a super-2 number, since 2×11115132143444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11115132143447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 149724167 + ... + 149798385.

It is an arithmetic number, because the mean of its divisors is an integer number (466529255640).

Almost surely, 2^{11115132143444} is an apocalyptic number.

11115132143444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11115132143444 is an abundant number, since it is smaller than the sum of its proper divisors (11278272127276).

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

11115132143444 is a wasteful number, since it uses less digits than its factorization.

11115132143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113408 (or 113406 counting only the distinct ones).

The product of its digits is 23040, while the sum is 35.

Adding to 11115132143444 its reverse (44434123151111), we get a palindrome (55549255294555).

The spelling of 11115132143444 in words is "eleven trillion, one hundred fifteen billion, one hundred thirty-two million, one hundred forty-three thousand, four hundred forty-four".