110991552 has 112 divisors (see below), whose sum is σ = 337962240. Its totient is φ = 31491072.

The previous prime is 110991547. The next prime is 110991599. The reversal of 110991552 is 255199011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 361383 + ... + 361689.

It is an arithmetic number, because the mean of its divisors is an integer number (3017520).

Almost surely, 2^110991552 is an apocalyptic number.

110991552 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 110991552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168981120).

110991552 is an abundant number, since it is smaller than the sum of its proper divisors (226970688).

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

110991552 is a wasteful number, since it uses less digits than its factorization.

110991552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 588 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 33.

The square root of 110991552 is about 10535.2528208866. The cubic root of 110991552 is about 480.5773608073.

The spelling of 110991552 in words is "one hundred ten million, nine hundred ninety-one thousand, five hundred fifty-two".