14561234520 has 64 divisors (see below), whose sum is σ = 49924235520. Its totient is φ = 3328281984.

The previous prime is 14561234503. The next prime is 14561234521. The reversal of 14561234520 is 2543216541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14561234521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8666562 + ... + 8668241.

It is an arithmetic number, because the mean of its divisors is an integer number (780066180).

Almost surely, 2^14561234520 is an apocalyptic number.

14561234520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14561234520 is an abundant number, since it is smaller than the sum of its proper divisors (35363001000).

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

14561234520 is a wasteful number, since it uses less digits than its factorization.

14561234520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17334824 (or 17334820 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The spelling of 14561234520 in words is "fourteen billion, five hundred sixty-one million, two hundred thirty-four thousand, five hundred twenty".