13611004013204 has 48 divisors (see below), whose sum is σ = 25666201194816. Its totient is φ = 6278404608000.

The previous prime is 13611004013183. The next prime is 13611004013207. The reversal of 13611004013204 is 40231040011631.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13611004013207) 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, 800121059 + ... + 800138069.

It is an arithmetic number, because the mean of its divisors is an integer number (534712524892).

Almost surely, 2^{13611004013204} is an apocalyptic number.

It is an amenable number.

13611004013204 is a deficient number, since it is larger than the sum of its proper divisors (12055197181612).

13611004013204 is a wasteful number, since it uses less digits than its factorization.

13611004013204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24936 (or 24934 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 13611004013204 its reverse (40231040011631), we get a palindrome (53842044024835).

The spelling of 13611004013204 in words is "thirteen trillion, six hundred eleven billion, four million, thirteen thousand, two hundred four".