1109758680 has 48 divisors (see below), whose sum is σ = 3606716880. Its totient is φ = 295935552.

The previous prime is 1109758633. The next prime is 1109758687. The reversal of 1109758680 is 868579011.

It is a Smith number, since the sum of its digits (45) 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 (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109758687) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1540972 + ... + 1541691.

It is an arithmetic number, because the mean of its divisors is an integer number (75139935).

Almost surely, 2^1109758680 is an apocalyptic number.

1109758680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1109758680 is an abundant number, since it is smaller than the sum of its proper divisors (2496958200).

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

1109758680 is a wasteful number, since it uses less digits than its factorization.

1109758680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082680 (or 3082673 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 1109758680 is about 33313.0406897959. The cubic root of 1109758680 is about 1035.3237662445.

The spelling of 1109758680 in words is "one billion, one hundred nine million, seven hundred fifty-eight thousand, six hundred eighty".