11313243251 has 4 divisors (see below), whose sum is σ = 11313627600. Its totient is φ = 11312858904.

The previous prime is 11313243233. The next prime is 11313243281. The reversal of 11313243251 is 15234231311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11313243251 - 2⁶ = 11313243187 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 11313243251.

It is not an unprimeable number, because it can be changed into a prime (11313243281) 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, 143996 + ... + 208233.

It is an arithmetic number, because the mean of its divisors is an integer number (2828406900).

Almost surely, 2^11313243251 is an apocalyptic number.

11313243251 is a deficient number, since it is larger than the sum of its proper divisors (384349).

11313243251 is an equidigital number, since it uses as much as digits as its factorization.

11313243251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384348.

The product of its digits is 2160, while the sum is 26.

Adding to 11313243251 its reverse (15234231311), we get a palindrome (26547474562).

The spelling of 11313243251 in words is "eleven billion, three hundred thirteen million, two hundred forty-three thousand, two hundred fifty-one".