111252040144 has 20 divisors (see below), whose sum is σ = 246343803424. Its totient is φ = 47679445728.

The previous prime is 111252040117. The next prime is 111252040181. The reversal of 111252040144 is 441040252111.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 496660782 + ... + 496661005.

Almost surely, 2^111252040144 is an apocalyptic number.

111252040144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

111252040144 is an abundant number, since it is smaller than the sum of its proper divisors (135091763280).

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

111252040144 is an equidigital number, since it uses as much as digits as its factorization.

111252040144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993321802 (or 993321796 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 111252040144 its reverse (441040252111), we get a palindrome (552292292255).

The spelling of 111252040144 in words is "one hundred eleven billion, two hundred fifty-two million, forty thousand, one hundred forty-four".