11352120111111 has 32 divisors (see below), whose sum is σ = 16453867644928. Its totient is φ = 6920451457920.

The previous prime is 11352120111077. The next prime is 11352120111121. The reversal of 11352120111111 is 11111102125311.

It is not a de Polignac number, because 11352120111111 - 2¹³ = 11352120102919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11352120111121) 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 31 ways as a sum of consecutive naturals, for example, 773911 + ... + 4827336.

It is an arithmetic number, because the mean of its divisors is an integer number (514183363904).

Almost surely, 2^{11352120111111} is an apocalyptic number.

11352120111111 is a deficient number, since it is larger than the sum of its proper divisors (5101747533817).

11352120111111 is a wasteful number, since it uses less digits than its factorization.

11352120111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5601751.

The product of its (nonzero) digits is 60, while the sum is 21.

Adding to 11352120111111 its reverse (11111102125311), we get a palindrome (22463222236422).

The spelling of 11352120111111 in words is "eleven trillion, three hundred fifty-two billion, one hundred twenty million, one hundred eleven thousand, one hundred eleven".