111838452 has 96 divisors (see below), whose sum is σ = 297443328. Its totient is φ = 32400000.

The previous prime is 111838439. The next prime is 111838501. The reversal of 111838452 is 254838111.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617802 + ... + 617982.

It is an arithmetic number, because the mean of its divisors is an integer number (3098368).

Almost surely, 2^111838452 is an apocalyptic number.

111838452 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 111838452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148721664).

111838452 is an abundant number, since it is smaller than the sum of its proper divisors (185604876).

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

111838452 is a wasteful number, since it uses less digits than its factorization.

111838452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 379 counting only the distinct ones).

The product of its digits is 7680, while the sum is 33.

The square root of 111838452 is about 10575.3700644469. The cubic root of 111838452 is about 481.7965831845.

The spelling of 111838452 in words is "one hundred eleven million, eight hundred thirty-eight thousand, four hundred fifty-two".