10985144185 has 8 divisors (see below), whose sum is σ = 13190976000. Its totient is φ = 8782246704.

The previous prime is 10985144153. The next prime is 10985144189. The reversal of 10985144185 is 58144158901.

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 10985144185 - 2⁵ = 10985144153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10985144189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 725337 + ... + 740326.

It is an arithmetic number, because the mean of its divisors is an integer number (1648872000).

Almost surely, 2^10985144185 is an apocalyptic number.

It is an amenable number.

10985144185 is a deficient number, since it is larger than the sum of its proper divisors (2205831815).

10985144185 is a wasteful number, since it uses less digits than its factorization.

10985144185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467167.

The product of its (nonzero) digits is 230400, while the sum is 46.

The spelling of 10985144185 in words is "ten billion, nine hundred eighty-five million, one hundred forty-four thousand, one hundred eighty-five".