11142544344420 has 24 divisors (see below), whose sum is σ = 31199124164544. Its totient is φ = 2971345158496.

The previous prime is 11142544344419. The next prime is 11142544344431. The reversal of 11142544344420 is 2444344524111.

It is a super-2 number, since 2×11142544344420² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92854536144 + ... + 92854536263.

It is an arithmetic number, because the mean of its divisors is an integer number (1299963506856).

Almost surely, 2^{11142544344420} is an apocalyptic number.

11142544344420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11142544344420 is an abundant number, since it is smaller than the sum of its proper divisors (20056579820124).

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

11142544344420 is a wasteful number, since it uses less digits than its factorization.

11142544344420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185709072419 (or 185709072417 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 39.

Adding to 11142544344420 its reverse (2444344524111), we get a palindrome (13586888868531).

The spelling of 11142544344420 in words is "eleven trillion, one hundred forty-two billion, five hundred forty-four million, three hundred forty-four thousand, four hundred twenty".