11240040247 has 2 divisors, whose sum is σ = 11240040248. Its totient is φ = 11240040246.

The previous prime is 11240040199. The next prime is 11240040283. The reversal of 11240040247 is 74204004211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11240040247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11240040547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5620020123 + 5620020124.

It is an arithmetic number, because the mean of its divisors is an integer number (5620020124).

Almost surely, 2^11240040247 is an apocalyptic number.

11240040247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11240040247 is an equidigital number, since it uses as much as digits as its factorization.

11240040247 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1792, while the sum is 25.

Adding to 11240040247 its reverse (74204004211), we get a palindrome (85444044458).

The spelling of 11240040247 in words is "eleven billion, two hundred forty million, forty thousand, two hundred forty-seven".