13102011505 has 32 divisors (see below), whose sum is σ = 17380915200. Its totient is φ = 9402244800.

The previous prime is 13102011491. The next prime is 13102011509. The reversal of 13102011505 is 50511020131.

It is not a de Polignac number, because 13102011505 - 2²⁹ = 12565140593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13102011509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1284616 + ... + 1294774.

It is an arithmetic number, because the mean of its divisors is an integer number (543153600).

Almost surely, 2^13102011505 is an apocalyptic number.

It is an amenable number.

13102011505 is a deficient number, since it is larger than the sum of its proper divisors (4278903695).

13102011505 is a wasteful number, since it uses less digits than its factorization.

13102011505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10485.

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 13102011505 its reverse (50511020131), we get a palindrome (63613031636).

The spelling of 13102011505 in words is "thirteen billion, one hundred two million, eleven thousand, five hundred five".