11343253501 has 4 divisors (see below), whose sum is σ = 11344585212. Its totient is φ = 11341921792.

The previous prime is 11343253489. The next prime is 11343253507. The reversal of 11343253501 is 10535234311.

It is a happy number.

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 3152822500 + 8190431001 = 56150^2 + 90501^2 .

It is a cyclic number.

It is not a de Polignac number, because 11343253501 - 2⁹ = 11343252989 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 11343253501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11343253507) 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, 652996 + ... + 670141.

It is an arithmetic number, because the mean of its divisors is an integer number (2836146303).

Almost surely, 2^11343253501 is an apocalyptic number.

It is an amenable number.

11343253501 is a deficient number, since it is larger than the sum of its proper divisors (1331711).

11343253501 is an equidigital number, since it uses as much as digits as its factorization.

11343253501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1331710.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 11343253501 its reverse (10535234311), we get a palindrome (21878487812).

The spelling of 11343253501 in words is "eleven billion, three hundred forty-three million, two hundred fifty-three thousand, five hundred one".