11315103243 has 8 divisors (see below), whose sum is σ = 15091182288. Its totient is φ = 7541213184.

The previous prime is 11315103229. The next prime is 11315103257. The reversal of 11315103243 is 34230151311.

It is an interprime number because it is at equal distance from previous prime (11315103229) and next prime (11315103257).

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

It is not a de Polignac number, because 11315103243 - 2⁵ = 11315103211 is a prime.

It is a super-2 number, since 2×11315103243² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11315103143) 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, 535146 + ... + 555887.

It is an arithmetic number, because the mean of its divisors is an integer number (1886397786).

Almost surely, 2^11315103243 is an apocalyptic number.

11315103243 is a deficient number, since it is larger than the sum of its proper divisors (3776079045).

11315103243 is a wasteful number, since it uses less digits than its factorization.

11315103243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094493.

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 11315103243 its reverse (34230151311), we get a palindrome (45545254554).

The spelling of 11315103243 in words is "eleven billion, three hundred fifteen million, one hundred three thousand, two hundred forty-three".