14985198520 has 32 divisors (see below), whose sum is σ = 33723169920. Its totient is φ = 5992928640.

The previous prime is 14985198511. The next prime is 14985198523. The reversal of 14985198520 is 2589158941.

It is a happy number.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14985198523) 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, 192985 + ... + 259255.

It is an arithmetic number, because the mean of its divisors is an integer number (1053849060).

Almost surely, 2^14985198520 is an apocalyptic number.

14985198520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14985198520 is an abundant number, since it is smaller than the sum of its proper divisors (18737971400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14985198520 is a wasteful number, since it uses less digits than its factorization.

14985198520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71935 (or 71931 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 52.

The spelling of 14985198520 in words is "fourteen billion, nine hundred eighty-five million, one hundred ninety-eight thousand, five hundred twenty".