1110999999999 has 24 divisors (see below), whose sum is σ = 1527832709760. Its totient is φ = 718101435744.

The previous prime is 1110999999979. The next prime is 1111000000079. The reversal of 1110999999999 is 9999999990111.

It is not a de Polignac number, because 1110999999999 - 2⁷ = 1110999999871 is a prime.

1110999999999 is a modest number, since divided by 9999999 gives 111099 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110999999979) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 684342 + ... + 1640220.

It is an arithmetic number, because the mean of its divisors is an integer number (63659696240).

Almost surely, 2^{1110999999999} is an apocalyptic number.

1110999999999 is a deficient number, since it is larger than the sum of its proper divisors (416832709761).

1110999999999 is an equidigital number, since it uses as much as digits as its factorization.

1110999999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 956239 (or 956202 counting only the distinct ones).

The product of its (nonzero) digits is 387420489, while the sum is 84.

The spelling of 1110999999999 in words is "one trillion, one hundred ten billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".