1109979181024 has 48 divisors (see below), whose sum is σ = 2628898070400. Its totient is φ = 450668237184.

The previous prime is 1109979181021. The next prime is 1109979181027. The reversal of 1109979181024 is 4201819799011.

It is an interprime number because it is at equal distance from previous prime (1109979181021) and next prime (1109979181027).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1109979181021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130397434 + ... + 130405945.

It is an arithmetic number, because the mean of its divisors is an integer number (54768709800).

Almost surely, 2^{1109979181024} is an apocalyptic number.

1109979181024 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1109979181024 is an abundant number, since it is smaller than the sum of its proper divisors (1518918889376).

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

1109979181024 is a wasteful number, since it uses less digits than its factorization.

1109979181024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260803415 (or 260803407 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 52.

The spelling of 1109979181024 in words is "one trillion, one hundred nine billion, nine hundred seventy-nine million, one hundred eighty-one thousand, twenty-four".