11323220402105 has 4 divisors (see below), whose sum is σ = 13587864482532. Its totient is φ = 9058576321680.

The previous prime is 11323220402101. The next prime is 11323220402111. The reversal of 11323220402105 is 50120402232311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3385522720441 + 7937697681664 = 1839979^2 + 2817392^2 .

It is not a de Polignac number, because 11323220402105 - 2² = 11323220402101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11323220402101) 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, 1132322040206 + ... + 1132322040215.

It is an arithmetic number, because the mean of its divisors is an integer number (3396966120633).

Almost surely, 2^{11323220402105} is an apocalyptic number.

It is an amenable number.

11323220402105 is a deficient number, since it is larger than the sum of its proper divisors (2264644080427).

11323220402105 is an equidigital number, since it uses as much as digits as its factorization.

11323220402105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264644080426.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 11323220402105 its reverse (50120402232311), we get a palindrome (61443622634416).

The spelling of 11323220402105 in words is "eleven trillion, three hundred twenty-three billion, two hundred twenty million, four hundred two thousand, one hundred five".