11715103243 has 4 divisors (see below), whose sum is σ = 11725783560. Its totient is φ = 11704422928.

The previous prime is 11715103241. The next prime is 11715103249. The reversal of 11715103243 is 34230151711.

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 11715103243 - 2¹ = 11715103241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11715103241) 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, 5338513 + ... + 5340706.

It is an arithmetic number, because the mean of its divisors is an integer number (2931445890).

Almost surely, 2^11715103243 is an apocalyptic number.

11715103243 is a deficient number, since it is larger than the sum of its proper divisors (10680317).

11715103243 is a wasteful number, since it uses less digits than its factorization.

11715103243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10680316.

The product of its (nonzero) digits is 2520, while the sum is 28.

Adding to 11715103243 its reverse (34230151711), we get a palindrome (45945254954).

The spelling of 11715103243 in words is "eleven billion, seven hundred fifteen million, one hundred three thousand, two hundred forty-three".