11112144131 has 16 divisors (see below), whose sum is σ = 12254714208. Its totient is φ = 9992236800.

The previous prime is 11112144089. The next prime is 11112144143. The reversal of 11112144131 is 13144121111.

11112144131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112144131 is a prime.

It is a super-2 number, since 2×11112144131² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11112144181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360071 + ... + 389711.

It is an arithmetic number, because the mean of its divisors is an integer number (765919638).

Almost surely, 2^11112144131 is an apocalyptic number.

11112144131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11112144131 is a deficient number, since it is larger than the sum of its proper divisors (1142570077).

11112144131 is a wasteful number, since it uses less digits than its factorization.

11112144131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30022.

The product of its digits is 96, while the sum is 20.

Adding to 11112144131 its reverse (13144121111), we get a palindrome (24256265242).

The spelling of 11112144131 in words is "eleven billion, one hundred twelve million, one hundred forty-four thousand, one hundred thirty-one".