13405535242115 has 16 divisors (see below), whose sum is σ = 17620257278880. Its totient is φ = 9745525009920.

The previous prime is 13405535242109. The next prime is 13405535242139. The reversal of 13405535242115 is 51124253550431.

It is not a de Polignac number, because 13405535242115 - 2³² = 13401240274819 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2719173041 + ... + 2719177970.

It is an arithmetic number, because the mean of its divisors is an integer number (1101266079930).

Almost surely, 2^{13405535242115} is an apocalyptic number.

13405535242115 is a deficient number, since it is larger than the sum of its proper divisors (4214722036765).

13405535242115 is a wasteful number, since it uses less digits than its factorization.

13405535242115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5438351062.

The product of its (nonzero) digits is 360000, while the sum is 41.

Adding to 13405535242115 its reverse (51124253550431), we get a palindrome (64529788792546).

The spelling of 13405535242115 in words is "thirteen trillion, four hundred five billion, five hundred thirty-five million, two hundred forty-two thousand, one hundred fifteen".