1100998080 has 336 divisors, whose sum is σ = 4662001344. Its totient is φ = 232243200.

The previous prime is 1100998043. The next prime is 1100998099. The reversal of 1100998080 is 808990011.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 259980 + ... + 264180.

It is an arithmetic number, because the mean of its divisors is an integer number (13875004).

Almost surely, 2^1100998080 is an apocalyptic number.

1100998080 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 1100998080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2331000672).

1100998080 is an abundant number, since it is smaller than the sum of its proper divisors (3561003264).

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

1100998080 is a wasteful number, since it uses less digits than its factorization.

1100998080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4244 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 1100998080 is about 33181.2911141203. The cubic root of 1100998080 is about 1032.5922326329.

The spelling of 1100998080 in words is "one billion, one hundred million, nine hundred ninety-eight thousand, eighty".