13555552204101 has 4 divisors (see below), whose sum is σ = 18074069605472. Its totient is φ = 9037034802732.

The previous prime is 13555552204097. The next prime is 13555552204109. The reversal of 13555552204101 is 10140225555531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 13555552204101 - 2² = 13555552204097 is a prime.

It is a super-2 number, since 2×13555552204101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13555552204101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13555552204109) 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, 2259258700681 + ... + 2259258700686.

It is an arithmetic number, because the mean of its divisors is an integer number (4518517401368).

Almost surely, 2^{13555552204101} is an apocalyptic number.

It is an amenable number.

13555552204101 is a deficient number, since it is larger than the sum of its proper divisors (4518517401371).

13555552204101 is an equidigital number, since it uses as much as digits as its factorization.

13555552204101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518517401370.

The product of its (nonzero) digits is 150000, while the sum is 39.

Adding to 13555552204101 its reverse (10140225555531), we get a palindrome (23695777759632).

The spelling of 13555552204101 in words is "thirteen trillion, five hundred fifty-five billion, five hundred fifty-two million, two hundred four thousand, one hundred one".