111255040 has 80 divisors (see below), whose sum is σ = 287356608. Its totient is φ = 41066496.

The previous prime is 111255031. The next prime is 111255077. The reversal of 111255040 is 40552111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 111254999 and 111255017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31609 + ... + 34951.

Almost surely, 2^111255040 is an apocalyptic number.

111255040 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 111255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143678304).

111255040 is an abundant number, since it is smaller than the sum of its proper divisors (176101568).

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

111255040 is an equidigital number, since it uses as much as digits as its factorization.

111255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379 (or 3363 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 111255040 is about 10547.7504710720. The cubic root of 111255040 is about 480.9573485809.

The spelling of 111255040 in words is "one hundred eleven million, two hundred fifty-five thousand, forty".