11451511116247 has 2 divisors, whose sum is σ = 11451511116248. Its totient is φ = 11451511116246.

The previous prime is 11451511116193. The next prime is 11451511116259. The reversal of 11451511116247 is 74261111515411.

It is a strong prime.

It is an emirp because it is prime and its reverse (74261111515411) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11451511116247 is a prime.

It is a super-2 number, since 2×11451511116247² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11451511116547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725755558123 + 5725755558124.

It is an arithmetic number, because the mean of its divisors is an integer number (5725755558124).

Almost surely, 2^{11451511116247} is an apocalyptic number.

11451511116247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451511116247 is an equidigital number, since it uses as much as digits as its factorization.

11451511116247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33600, while the sum is 40.

The spelling of 11451511116247 in words is "eleven trillion, four hundred fifty-one billion, five hundred eleven million, one hundred sixteen thousand, two hundred forty-seven".