11702172243 has 4 divisors (see below), whose sum is σ = 15602896328. Its totient is φ = 7801448160.

The previous prime is 11702172233. The next prime is 11702172271. The reversal of 11702172243 is 34227120711.

11702172243 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 is not a de Polignac number, because 11702172243 - 2⁵ = 11702172211 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 11702172243.

It is not an unprimeable number, because it can be changed into a prime (11702172203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1950362038 + ... + 1950362043.

It is an arithmetic number, because the mean of its divisors is an integer number (3900724082).

Almost surely, 2^11702172243 is an apocalyptic number.

11702172243 is a deficient number, since it is larger than the sum of its proper divisors (3900724085).

11702172243 is an equidigital number, since it uses as much as digits as its factorization.

11702172243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3900724084.

The product of its (nonzero) digits is 4704, while the sum is 30.

Adding to 11702172243 its reverse (34227120711), we get a palindrome (45929292954).

The spelling of 11702172243 in words is "eleven billion, seven hundred two million, one hundred seventy-two thousand, two hundred forty-three".