985001011001111 has 12 divisors (see below), whose sum is σ = 1066654776704400. Its totient is φ = 909183923144640.

The previous prime is 985001011001089. The next prime is 985001011001143. The reversal of 985001011001111 is 111100110100589.

It is not a de Polignac number, because 985001011001111 - 2³⁰ = 984999937259287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985001011001191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149913086 + ... + 156345563.

It is an arithmetic number, because the mean of its divisors is an integer number (88887898058700).

Almost surely, 2^{985001011001111} is an apocalyptic number.

985001011001111 is a deficient number, since it is larger than the sum of its proper divisors (81653765703289).

985001011001111 is a wasteful number, since it uses less digits than its factorization.

985001011001111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306277706 (or 306277693 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 29.

The spelling of 985001011001111 in words is "nine hundred eighty-five trillion, one billion, eleven million, one thousand, one hundred eleven".