11111323334401 has 4 divisors (see below), whose sum is σ = 11115730843204. Its totient is φ = 11106915825600.

The previous prime is 11111323334381. The next prime is 11111323334407. The reversal of 11111323334401 is 10443332311111.

11111323334401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 567009000000 + 10544314334401 = 753000^2 + 3247201^2 .

It is a cyclic number.

It is not a de Polignac number, because 11111323334401 - 2⁵ = 11111323334369 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 11111323334401.

It is not an unprimeable number, because it can be changed into a prime (11111323334407) 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, 2203750620 + ... + 2203755661.

It is an arithmetic number, because the mean of its divisors is an integer number (2778932710801).

Almost surely, 2^{11111323334401} is an apocalyptic number.

It is an amenable number.

11111323334401 is a deficient number, since it is larger than the sum of its proper divisors (4407508803).

11111323334401 is an equidigital number, since it uses as much as digits as its factorization.

11111323334401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4407508802.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 11111323334401 its reverse (10443332311111), we get a palindrome (21554655645512).

The spelling of 11111323334401 in words is "eleven trillion, one hundred eleven billion, three hundred twenty-three million, three hundred thirty-four thousand, four hundred one".