13555434522135 has 32 divisors (see below), whose sum is σ = 23697891648000. Its totient is φ = 6561916099200.

The previous prime is 13555434522107. The next prime is 13555434522233. The reversal of 13555434522135 is 53122543455531.

It is not a de Polignac number, because 13555434522135 - 2⁵ = 13555434522103 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64994260 + ... + 65202489.

It is an arithmetic number, because the mean of its divisors is an integer number (740559114000).

Almost surely, 2^{13555434522135} is an apocalyptic number.

13555434522135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13555434522135 is a deficient number, since it is larger than the sum of its proper divisors (10142457125865).

13555434522135 is a wasteful number, since it uses less digits than its factorization.

13555434522135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130197399.

The product of its digits is 5400000, while the sum is 48.

Adding to 13555434522135 its reverse (53122543455531), we get a palindrome (66677977977666).

The spelling of 13555434522135 in words is "thirteen trillion, five hundred fifty-five billion, four hundred thirty-four million, five hundred twenty-two thousand, one hundred thirty-five".