13505569360 has 40 divisors (see below), whose sum is σ = 33053107680. Its totient is φ = 5117899392.

The previous prime is 13505569309. The next prime is 13505569373. The reversal of 13505569360 is 6396550531.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4441102 + ... + 4444141.

It is an arithmetic number, because the mean of its divisors is an integer number (826327692).

Almost surely, 2^13505569360 is an apocalyptic number.

13505569360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13505569360 is an abundant number, since it is smaller than the sum of its proper divisors (19547538320).

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

13505569360 is a wasteful number, since it uses less digits than its factorization.

13505569360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8885275 (or 8885269 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 43.

The spelling of 13505569360 in words is "thirteen billion, five hundred five million, five hundred sixty-nine thousand, three hundred sixty".