11111113230001 has 4 divisors (see below), whose sum is σ = 11149035118452. Its totient is φ = 11073191341552.

The previous prime is 11111113229947. The next prime is 11111113230029. The reversal of 11111113230001 is 10003231111111.

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 10887861704976 + 223251525025 = 3299676^2 + 472495^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111113230001 - 2⁷ = 11111113229873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11111113240001) 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 3 ways as a sum of consecutive naturals, for example, 18960943786 + ... + 18960944371.

It is an arithmetic number, because the mean of its divisors is an integer number (2787258779613).

Almost surely, 2^{11111113230001} is an apocalyptic number.

It is an amenable number.

11111113230001 is a deficient number, since it is larger than the sum of its proper divisors (37921888451).

11111113230001 is an equidigital number, since it uses as much as digits as its factorization.

11111113230001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37921888450.

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 11111113230001 its reverse (10003231111111), we get a palindrome (21114344341112).

The spelling of 11111113230001 in words is "eleven trillion, one hundred eleven billion, one hundred thirteen million, two hundred thirty thousand, one".