1001110999959 has 24 divisors (see below), whose sum is σ = 1675904136192. Its totient is φ = 564006194640.

The previous prime is 1001110999949. The next prime is 1001110999963. The reversal of 1001110999959 is 9599990111001.

It is not a de Polignac number, because 1001110999959 - 2⁴ = 1001110999943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001110999909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111901519 + ... + 111910464.

It is an arithmetic number, because the mean of its divisors is an integer number (69829339008).

Almost surely, 2^{1001110999959} is an apocalyptic number.

1001110999959 is a deficient number, since it is larger than the sum of its proper divisors (674793136233).

1001110999959 is a wasteful number, since it uses less digits than its factorization.

1001110999959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223812067 (or 223812064 counting only the distinct ones).

The product of its (nonzero) digits is 295245, while the sum is 54.

The spelling of 1001110999959 in words is "one trillion, one billion, one hundred ten million, nine hundred ninety-nine thousand, nine hundred fifty-nine".