10985085501788 has 12 divisors (see below), whose sum is σ = 19403562242232. Its totient is φ = 5441210575440.

The previous prime is 10985085501779. The next prime is 10985085501833. The reversal of 10985085501788 is 88710558058901.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12833043383 + ... + 12833044238.

It is an arithmetic number, because the mean of its divisors is an integer number (1616963520186).

Almost surely, 2^{10985085501788} is an apocalyptic number.

It is an amenable number.

10985085501788 is a deficient number, since it is larger than the sum of its proper divisors (8418476740444).

10985085501788 is a wasteful number, since it uses less digits than its factorization.

10985085501788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25666087732 (or 25666087730 counting only the distinct ones).

The product of its (nonzero) digits is 32256000, while the sum is 65.

The spelling of 10985085501788 in words is "ten trillion, nine hundred eighty-five billion, eighty-five million, five hundred one thousand, seven hundred eighty-eight".