1100000999983 has 4 divisors (see below), whose sum is σ = 1100003350680. Its totient is φ = 1099998649288.

The previous prime is 1100000999969. The next prime is 1100001000023. The reversal of 1100000999983 is 3899990000011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100000999983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100000991983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208093 + ... + 1497766.

It is an arithmetic number, because the mean of its divisors is an integer number (275000837670).

Almost surely, 2^{1100000999983} is an apocalyptic number.

1100000999983 is a deficient number, since it is larger than the sum of its proper divisors (2350697).

1100000999983 is an equidigital number, since it uses as much as digits as its factorization.

1100000999983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2350696.

The product of its (nonzero) digits is 157464, while the sum is 49.

Adding to 1100000999983 its reverse (3899990000011), we get a palindrome (4999990999994).

The spelling of 1100000999983 in words is "one trillion, one hundred billion, nine hundred ninety-nine thousand, nine hundred eighty-three".