1107991080 has 384 divisors, whose sum is σ = 4405190400. Its totient is φ = 235892736.

The previous prime is 1107991067. The next prime is 1107991111. The reversal of 1107991080 is 801997011.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3495082 + ... + 3495398.

It is an arithmetic number, because the mean of its divisors is an integer number (11471850).

Almost surely, 2^1107991080 is an apocalyptic number.

1107991080 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 1107991080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2202595200).

1107991080 is an abundant number, since it is smaller than the sum of its proper divisors (3297199320).

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

1107991080 is a wasteful number, since it uses less digits than its factorization.

1107991080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 36.

The square root of 1107991080 is about 33286.4999662025. The cubic root of 1107991080 is about 1034.7737935948.

The spelling of 1107991080 in words is "one billion, one hundred seven million, nine hundred ninety-one thousand, eighty".