1111320123144 has 128 divisors (see below), whose sum is σ = 3464137497600. Its totient is φ = 288631031040.

The previous prime is 1111320123139. The next prime is 1111320123187. The reversal of 1111320123144 is 4413210231111.

It is a super-2 number, since 2×1111320123144² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44374594 + ... + 44399630.

It is an arithmetic number, because the mean of its divisors is an integer number (27063574200).

Almost surely, 2^{1111320123144} is an apocalyptic number.

1111320123144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1111320123144 is an abundant number, since it is smaller than the sum of its proper divisors (2352817374456).

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

1111320123144 is a wasteful number, since it uses less digits than its factorization.

1111320123144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49083 (or 49079 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 1111320123144 its reverse (4413210231111), we get a palindrome (5524530354255).

The spelling of 1111320123144 in words is "one trillion, one hundred eleven billion, three hundred twenty million, one hundred twenty-three thousand, one hundred forty-four".