135413512111 has 4 divisors (see below), whose sum is σ = 135552114432. Its totient is φ = 135274909792.

The previous prime is 135413512103. The next prime is 135413512123. The reversal of 135413512111 is 111215314531.

It is a happy number.

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 135413512111 - 2³ = 135413512103 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 135413512111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135413512511) 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, 69299695 + ... + 69301648.

It is an arithmetic number, because the mean of its divisors is an integer number (33888028608).

Almost surely, 2^135413512111 is an apocalyptic number.

135413512111 is a deficient number, since it is larger than the sum of its proper divisors (138602321).

135413512111 is an equidigital number, since it uses as much as digits as its factorization.

135413512111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138602320.

The product of its digits is 1800, while the sum is 28.

Adding to 135413512111 its reverse (111215314531), we get a palindrome (246628826642).

The spelling of 135413512111 in words is "one hundred thirty-five billion, four hundred thirteen million, five hundred twelve thousand, one hundred eleven".