111880494 has 32 divisors (see below), whose sum is σ = 271226880. Its totient is φ = 33903000.

The previous prime is 111880477. The next prime is 111880499. The reversal of 111880494 is 494088111.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111880499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93582 + ... + 94769.

It is an arithmetic number, because the mean of its divisors is an integer number (8475840).

Almost surely, 2^111880494 is an apocalyptic number.

111880494 is an abundant number, since it is smaller than the sum of its proper divisors (159346386).

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

111880494 is a wasteful number, since it uses less digits than its factorization.

111880494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188373 (or 188367 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 111880494 is about 10577.3576095356. The cubic root of 111880494 is about 481.8569474985.

The spelling of 111880494 in words is "one hundred eleven million, eight hundred eighty thousand, four hundred ninety-four".