13135314551 has 4 divisors (see below), whose sum is σ = 13138973952. Its totient is φ = 13131655152.

The previous prime is 13135314541. The next prime is 13135314553. The reversal of 13135314551 is 15541353131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13135314551 - 2⁶ = 13135314487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135314553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1824311 + ... + 1831496.

It is an arithmetic number, because the mean of its divisors is an integer number (3284743488).

Almost surely, 2^13135314551 is an apocalyptic number.

13135314551 is a deficient number, since it is larger than the sum of its proper divisors (3659401).

13135314551 is an equidigital number, since it uses as much as digits as its factorization.

13135314551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659400.

The product of its digits is 13500, while the sum is 32.

Adding to 13135314551 its reverse (15541353131), we get a palindrome (28676667682).

The spelling of 13135314551 in words is "thirteen billion, one hundred thirty-five million, three hundred fourteen thousand, five hundred fifty-one".