14985988855 has 4 divisors (see below), whose sum is σ = 17983186632. Its totient is φ = 11988791080.

The previous prime is 14985988847. The next prime is 14985988879. The reversal of 14985988855 is 55888958941.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 14985988855 - 2³ = 14985988847 is a prime.

It is a super-2 number, since 2×14985988855² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1498598881 + ... + 1498598890.

It is an arithmetic number, because the mean of its divisors is an integer number (4495796658).

Almost surely, 2^14985988855 is an apocalyptic number.

14985988855 is a deficient number, since it is larger than the sum of its proper divisors (2997197777).

14985988855 is an equidigital number, since it uses as much as digits as its factorization.

14985988855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2997197776.

The product of its digits is 165888000, while the sum is 70.

The spelling of 14985988855 in words is "fourteen billion, nine hundred eighty-five million, nine hundred eighty-eight thousand, eight hundred fifty-five".