1112109880 has 144 divisors (see below), whose sum is σ = 2979114120. Its totient is φ = 372532608.

The previous prime is 1112109877. The next prime is 1112109883. The reversal of 1112109880 is 889012111.

It is an interprime number because it is at equal distance from previous prime (1112109877) and next prime (1112109883).

It is a super-3 number, since 3×1112109880³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112109883) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 6822679 + ... + 6822841.

Almost surely, 2^1112109880 is an apocalyptic number.

1112109880 is a gapful number since it is divisible by the number (10) 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 1112109880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1489557060).

1112109880 is an abundant number, since it is smaller than the sum of its proper divisors (1867004240).

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

1112109880 is a wasteful number, since it uses less digits than its factorization.

1112109880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 31.

The square root of 1112109880 is about 33348.3115014838. The cubic root of 1112109880 is about 1036.0544164258.

The spelling of 1112109880 in words is "one billion, one hundred twelve million, one hundred nine thousand, eight hundred eighty".