13405502122535 has 8 divisors (see below), whose sum is σ = 16153351936656. Its totient is φ = 10679902104960.

The previous prime is 13405502122531. The next prime is 13405502122561. The reversal of 13405502122535 is 53522120550431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13405502122535 - 2² = 13405502122531 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 (13405502122531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5562447809 + ... + 5562450218.

It is an arithmetic number, because the mean of its divisors is an integer number (2019168992082).

Almost surely, 2^{13405502122535} is an apocalyptic number.

13405502122535 is a deficient number, since it is larger than the sum of its proper divisors (2747849814121).

13405502122535 is a wasteful number, since it uses less digits than its factorization.

13405502122535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11124898273.

The product of its (nonzero) digits is 180000, while the sum is 38.

Adding to 13405502122535 its reverse (53522120550431), we get a palindrome (66927622672966).

The spelling of 13405502122535 in words is "thirteen trillion, four hundred five billion, five hundred two million, one hundred twenty-two thousand, five hundred thirty-five".