13011321135 has 16 divisors (see below), whose sum is σ = 20819575296. Its totient is φ = 6938884128.

The previous prime is 13011321131. The next prime is 13011321179. The reversal of 13011321135 is 53112311031.

It is not a de Polignac number, because 13011321135 - 2² = 13011321131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011321131) 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, 321822 + ... + 359988.

It is an arithmetic number, because the mean of its divisors is an integer number (1301223456).

Almost surely, 2^13011321135 is an apocalyptic number.

13011321135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13011321135 is a deficient number, since it is larger than the sum of its proper divisors (7808254161).

13011321135 is a wasteful number, since it uses less digits than its factorization.

13011321135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60902.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 13011321135 its reverse (53112311031), we get a palindrome (66123632166).

The spelling of 13011321135 in words is "thirteen billion, eleven million, three hundred twenty-one thousand, one hundred thirty-five".