14985991885 has 8 divisors (see below), whose sum is σ = 18929674080. Its totient is φ = 11357804304.

The previous prime is 14985991879. The next prime is 14985991919. The reversal of 14985991885 is 58819958941.

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 14985991885 - 2⁹ = 14985991373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14985991885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78873547 + ... + 78873736.

It is an arithmetic number, because the mean of its divisors is an integer number (2366209260).

Almost surely, 2^14985991885 is an apocalyptic number.

It is an amenable number.

14985991885 is a deficient number, since it is larger than the sum of its proper divisors (3943682195).

14985991885 is a wasteful number, since it uses less digits than its factorization.

14985991885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157747307.

The product of its digits is 37324800, while the sum is 67.

The spelling of 14985991885 in words is "fourteen billion, nine hundred eighty-five million, nine hundred ninety-one thousand, eight hundred eighty-five".