13502011305 has 16 divisors (see below), whose sum is σ = 21863499840. Its totient is φ = 7114312128.

The previous prime is 13502011301. The next prime is 13502011387. The reversal of 13502011305 is 50311020531.

It is not a de Polignac number, because 13502011305 - 2² = 13502011301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13502011301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5421250 + ... + 5423739.

It is an arithmetic number, because the mean of its divisors is an integer number (1366468740).

Almost surely, 2^13502011305 is an apocalyptic number.

13502011305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13502011305 is a deficient number, since it is larger than the sum of its proper divisors (8361488535).

13502011305 is a wasteful number, since it uses less digits than its factorization.

13502011305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10845080.

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 13502011305 its reverse (50311020531), we get a palindrome (63813031836).

The spelling of 13502011305 in words is "thirteen billion, five hundred two million, eleven thousand, three hundred five".