11145115243 has 2 divisors, whose sum is σ = 11145115244. Its totient is φ = 11145115242.

The previous prime is 11145115211. The next prime is 11145115253. The reversal of 11145115243 is 34251154111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11145115243 - 2⁵ = 11145115211 is a prime.

It is not a weakly prime, because it can be changed into another prime (11145115253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5572557621 + 5572557622.

It is an arithmetic number, because the mean of its divisors is an integer number (5572557622).

Almost surely, 2^11145115243 is an apocalyptic number.

11145115243 is a deficient number, since it is larger than the sum of its proper divisors (1).

11145115243 is an equidigital number, since it uses as much as digits as its factorization.

11145115243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2400, while the sum is 28.

Adding to 11145115243 its reverse (34251154111), we get a palindrome (45396269354).

The spelling of 11145115243 in words is "eleven billion, one hundred forty-five million, one hundred fifteen thousand, two hundred forty-three".