133340413111111 has 4 divisors (see below), whose sum is σ = 134660615221224. Its totient is φ = 132020211001000.

The previous prime is 133340413111069. The next prime is 133340413111141. The reversal of 133340413111111 is 111111314043331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 133340413111111 - 2¹¹ = 133340413109063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133340413111111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133340413111141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 660101054905 + ... + 660101055106.

It is an arithmetic number, because the mean of its divisors is an integer number (33665153805306).

Almost surely, 2^{133340413111111} is an apocalyptic number.

133340413111111 is a deficient number, since it is larger than the sum of its proper divisors (1320202110113).

133340413111111 is a wasteful number, since it uses less digits than its factorization.

133340413111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320202110112.

The product of its (nonzero) digits is 1296, while the sum is 28.

Adding to 133340413111111 its reverse (111111314043331), we get a palindrome (244451727154442).

The spelling of 133340413111111 in words is "one hundred thirty-three trillion, three hundred forty billion, four hundred thirteen million, one hundred eleven thousand, one hundred eleven".