13505523112004 has 48 divisors (see below), whose sum is σ = 29466956238720. Its totient is φ = 5261827772160.

The previous prime is 13505523111959. The next prime is 13505523112097. The reversal of 13505523112004 is 40021132550531.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30788264 + ... + 31223840.

It is an arithmetic number, because the mean of its divisors is an integer number (613894921640).

Almost surely, 2^{13505523112004} is an apocalyptic number.

13505523112004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13505523112004 is an abundant number, since it is smaller than the sum of its proper divisors (15961433126716).

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

13505523112004 is a wasteful number, since it uses less digits than its factorization.

13505523112004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536268 (or 536266 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 13505523112004 its reverse (40021132550531), we get a palindrome (53526655662535).

The spelling of 13505523112004 in words is "thirteen trillion, five hundred five billion, five hundred twenty-three million, one hundred twelve thousand, four".