11455722247 has 2 divisors, whose sum is σ = 11455722248. Its totient is φ = 11455722246.

The previous prime is 11455722241. The next prime is 11455722251. The reversal of 11455722247 is 74222755411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11455722247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11455722241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5727861123 + 5727861124.

It is an arithmetic number, because the mean of its divisors is an integer number (5727861124).

Almost surely, 2^11455722247 is an apocalyptic number.

11455722247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11455722247 is an equidigital number, since it uses as much as digits as its factorization.

11455722247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 156800, while the sum is 40.

The spelling of 11455722247 in words is "eleven billion, four hundred fifty-five million, seven hundred twenty-two thousand, two hundred forty-seven".