11603116243 has 8 divisors (see below), whose sum is σ = 11689579440. Its totient is φ = 11516812320.

The previous prime is 11603116237. The next prime is 11603116249. The reversal of 11603116243 is 34261130611.

It is an interprime number because it is at equal distance from previous prime (11603116237) and next prime (11603116249).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11603116243 - 2¹⁷ = 11602985171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11603116249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108468 + ... + 187006.

It is an arithmetic number, because the mean of its divisors is an integer number (1461197430).

Almost surely, 2^11603116243 is an apocalyptic number.

11603116243 is a deficient number, since it is larger than the sum of its proper divisors (86463197).

11603116243 is an equidigital number, since it uses as much as digits as its factorization.

11603116243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79637.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 11603116243 its reverse (34261130611), we get a palindrome (45864246854).

The spelling of 11603116243 in words is "eleven billion, six hundred three million, one hundred sixteen thousand, two hundred forty-three".