111401117087232 has 160 divisors (see below), whose sum is σ = 339259616923392. Its totient is φ = 31821101604864.

The previous prime is 111401117087203. The next prime is 111401117087233. The reversal of 111401117087232 is 232780711104111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111401117087233) 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, 42742243 + ... + 45273629.

Almost surely, 2^{111401117087232} is an apocalyptic number.

111401117087232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111401117087232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169629808461696).

111401117087232 is an abundant number, since it is smaller than the sum of its proper divisors (227858499836160).

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

111401117087232 is an equidigital number, since it uses as much as digits as its factorization.

111401117087232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2535508 (or 2535492 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 39.

The spelling of 111401117087232 in words is "one hundred eleven trillion, four hundred one billion, one hundred seventeen million, eighty-seven thousand, two hundred thirty-two".