13135384402311 has 4 divisors (see below), whose sum is σ = 17513845869752. Its totient is φ = 8756922934872.

The previous prime is 13135384402267. The next prime is 13135384402381. The reversal of 13135384402311 is 11320448353131.

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

It is not a de Polignac number, because 13135384402311 - 2⁶ = 13135384402247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13135384402311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13135384402381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2189230733716 + ... + 2189230733721.

It is an arithmetic number, because the mean of its divisors is an integer number (4378461467438).

Almost surely, 2^{13135384402311} is an apocalyptic number.

13135384402311 is a deficient number, since it is larger than the sum of its proper divisors (4378461467441).

13135384402311 is an equidigital number, since it uses as much as digits as its factorization.

13135384402311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378461467440.

The product of its (nonzero) digits is 103680, while the sum is 39.

The spelling of 13135384402311 in words is "thirteen trillion, one hundred thirty-five billion, three hundred eighty-four million, four hundred two thousand, three hundred eleven".