13505255124 has 48 divisors (see below), whose sum is σ = 33863957568. Its totient is φ = 4173700608.

The previous prime is 13505255083. The next prime is 13505255129. The reversal of 13505255124 is 42155250531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13505255129) 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, 480379 + ... + 507714.

It is an arithmetic number, because the mean of its divisors is an integer number (705499116).

Almost surely, 2^13505255124 is an apocalyptic number.

It is an amenable number.

13505255124 is an abundant number, since it is smaller than the sum of its proper divisors (20358702444).

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

13505255124 is a wasteful number, since it uses less digits than its factorization.

13505255124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988184 (or 988182 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 13505255124 in words is "thirteen billion, five hundred five million, two hundred fifty-five thousand, one hundred twenty-four".