109899552 has 144 divisors (see below), whose sum is σ = 341978112. Its totient is φ = 30804480.

The previous prime is 109899539. The next prime is 109899571. The reversal of 109899552 is 255998901.

It is a happy number.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 286753 + ... + 287135.

It is an arithmetic number, because the mean of its divisors is an integer number (2374848).

Almost surely, 2^109899552 is an apocalyptic number.

109899552 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 109899552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170989056).

109899552 is an abundant number, since it is smaller than the sum of its proper divisors (232078560).

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

109899552 is a wasteful number, since it uses less digits than its factorization.

109899552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 48.

The square root of 109899552 is about 10483.2987174839. The cubic root of 109899552 is about 478.9960962776.

The spelling of 109899552 in words is "one hundred nine million, eight hundred ninety-nine thousand, five hundred fifty-two".