1109492643888 has 50 divisors (see below), whose sum is σ = 3211193605004. Its totient is φ = 369830880864.

The previous prime is 1109492643877. The next prime is 1109492643943. The reversal of 1109492643888 is 8883462949011.

1109492643888 is a `hidden beast` number, since 1 + 1 + 0 + 9 + 492 + 64 + 3 + 8 + 88 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 428043706 + ... + 428046297.

Almost surely, 2^{1109492643888} is an apocalyptic number.

1109492643888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1109492643888 is an abundant number, since it is smaller than the sum of its proper divisors (2101700961116).

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

1109492643888 is an equidigital number, since it uses as much as digits as its factorization.

1109492643888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856090023 (or 856090008 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 63.

The spelling of 1109492643888 in words is "one trillion, one hundred nine billion, four hundred ninety-two million, six hundred forty-three thousand, eight hundred eighty-eight".