11142113444 has 24 divisors (see below), whose sum is σ = 24310066368. Its totient is φ = 4341083040.

The previous prime is 11142113401. The next prime is 11142113447. The reversal of 11142113444 is 44431124111.

It is a happy number.

It is a super-2 number, since 2×11142113444² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11142113447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18087539 + ... + 18088154.

It is an arithmetic number, because the mean of its divisors is an integer number (1012919432).

Almost surely, 2^11142113444 is an apocalyptic number.

11142113444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11142113444 is an abundant number, since it is smaller than the sum of its proper divisors (13167952924).

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

11142113444 is a wasteful number, since it uses less digits than its factorization.

11142113444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36175715 (or 36175713 counting only the distinct ones).

The product of its digits is 1536, while the sum is 26.

Adding to 11142113444 its reverse (44431124111), we get a palindrome (55573237555).

The spelling of 11142113444 in words is "eleven billion, one hundred forty-two million, one hundred thirteen thousand, four hundred forty-four".