1113251312233 has 4 divisors (see below), whose sum is σ = 1120722797700. Its totient is φ = 1105779826768.

The previous prime is 1113251312227. The next prime is 1113251312347. The reversal of 1113251312233 is 3322131523111.

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 246067586704 + 867183725529 = 496052^2 + 931227^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113251312233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1113251313233) 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, 3735742510 + ... + 3735742807.

It is an arithmetic number, because the mean of its divisors is an integer number (280180699425).

Almost surely, 2^{1113251312233} is an apocalyptic number.

It is an amenable number.

1113251312233 is a deficient number, since it is larger than the sum of its proper divisors (7471485467).

1113251312233 is an equidigital number, since it uses as much as digits as its factorization.

1113251312233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7471485466.

The product of its digits is 3240, while the sum is 28.

Adding to 1113251312233 its reverse (3322131523111), we get a palindrome (4435382835344).

The spelling of 1113251312233 in words is "one trillion, one hundred thirteen billion, two hundred fifty-one million, three hundred twelve thousand, two hundred thirty-three".