11315243223233 has 4 divisors (see below), whose sum is σ = 11315379975108. Its totient is φ = 11315106471360.

The previous prime is 11315243223217. The next prime is 11315243223289. The reversal of 11315243223233 is 33232234251311.

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 3879194167489 + 7436049055744 = 1969567^2 + 2726912^2 .

It is a cyclic number.

It is not a de Polignac number, because 11315243223233 - 2⁴ = 11315243223217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11315243223193 and 11315243223202.

It is not an unprimeable number, because it can be changed into a prime (11315243223833) 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, 68251748 + ... + 68417333.

It is an arithmetic number, because the mean of its divisors is an integer number (2828844993777).

Almost surely, 2^{11315243223233} is an apocalyptic number.

It is an amenable number.

11315243223233 is a deficient number, since it is larger than the sum of its proper divisors (136751875).

11315243223233 is an equidigital number, since it uses as much as digits as its factorization.

11315243223233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136751874.

The product of its digits is 77760, while the sum is 35.

Adding to 11315243223233 its reverse (33232234251311), we get a palindrome (44547477474544).

The spelling of 11315243223233 in words is "eleven trillion, three hundred fifteen billion, two hundred forty-three million, two hundred twenty-three thousand, two hundred thirty-three".