111413412 has 54 divisors (see below), whose sum is σ = 309570534. Its totient is φ = 33760320.

The previous prime is 111413399. The next prime is 111413437. The reversal of 111413412 is 214314111.

It can be written as a sum of positive squares in only one way, i.e., 66977856 + 44435556 = 8184^2 + 6666^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 8433 + ... + 17144.

Almost surely, 2^111413412 is an apocalyptic number.

111413412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111413412 is an abundant number, since it is smaller than the sum of its proper divisors (198157122).

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

111413412 is a wasteful number, since it uses less digits than its factorization.

111413412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25609 (or 25593 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 111413412 is about 10555.2551840304. The cubic root of 111413412 is about 481.1854552893.

Adding to 111413412 its reverse (214314111), we get a palindrome (325727523).

The spelling of 111413412 in words is "one hundred eleven million, four hundred thirteen thousand, four hundred twelve".