11613543402111 has 48 divisors (see below), whose sum is σ = 18809357587200. Its totient is φ = 6343267510272.

The previous prime is 11613543402107. The next prime is 11613543402119. The reversal of 11613543402111 is 11120434531611.

It is not a de Polignac number, because 11613543402111 - 2² = 11613543402107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11613543402119) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3544900 + ... + 5982758.

It is an arithmetic number, because the mean of its divisors is an integer number (391861616400).

Almost surely, 2^{11613543402111} is an apocalyptic number.

11613543402111 is a deficient number, since it is larger than the sum of its proper divisors (7195814185089).

11613543402111 is a wasteful number, since it uses less digits than its factorization.

11613543402111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439308 (or 2439301 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

Adding to 11613543402111 its reverse (11120434531611), we get a palindrome (22733977933722).

The spelling of 11613543402111 in words is "eleven trillion, six hundred thirteen billion, five hundred forty-three million, four hundred two thousand, one hundred eleven".