13555605330231 has 16 divisors (see below), whose sum is σ = 18311198376960. Its totient is φ = 8918644644000.

The previous prime is 13555605330191. The next prime is 13555605330233. The reversal of 13555605330231 is 13203350655531.

It is not a de Polignac number, because 13555605330231 - 2⁶ = 13555605330167 is a prime.

It is a super-2 number, since 2×13555605330231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555605330233) 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 15 ways as a sum of consecutive naturals, for example, 12398395 + ... + 13447356.

It is an arithmetic number, because the mean of its divisors is an integer number (1144449898560).

Almost surely, 2^{13555605330231} is an apocalyptic number.

13555605330231 is a deficient number, since it is larger than the sum of its proper divisors (4755593046729).

13555605330231 is a wasteful number, since it uses less digits than its factorization.

13555605330231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25848046.

The product of its (nonzero) digits is 607500, while the sum is 42.

Adding to 13555605330231 its reverse (13203350655531), we get a palindrome (26758955985762).

The spelling of 13555605330231 in words is "thirteen trillion, five hundred fifty-five billion, six hundred five million, three hundred thirty thousand, two hundred thirty-one".