1100000999959 has 8 divisors (see below), whose sum is σ = 1154461973472. Its totient is φ = 1046092930080.

The previous prime is 1100000999887. The next prime is 1100000999969. The reversal of 1100000999959 is 9599990000011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1100000999959 - 2¹¹ = 1100000997911 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 (1100000999969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138221832 + ... + 138229789.

It is an arithmetic number, because the mean of its divisors is an integer number (144307746684).

Almost surely, 2^{1100000999959} is an apocalyptic number.

1100000999959 is a deficient number, since it is larger than the sum of its proper divisors (54460973513).

1100000999959 is a wasteful number, since it uses less digits than its factorization.

1100000999959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276451817.

The product of its (nonzero) digits is 295245, while the sum is 52.

Adding to 1100000999959 its sum of digits (52), we get a palindrome (1100001000011).

The spelling of 1100000999959 in words is "one trillion, one hundred billion, nine hundred ninety-nine thousand, nine hundred fifty-nine".