11358855217 has 2 divisors, whose sum is σ = 11358855218. Its totient is φ = 11358855216.

The previous prime is 11358855203. The next prime is 11358855239. The reversal of 11358855217 is 71255885311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10224445456 + 1134409761 = 101116^2 + 33681^2 .

It is a cyclic number.

It is not a de Polignac number, because 11358855217 - 2³¹ = 9211371569 is a prime.

It is not a weakly prime, because it can be changed into another prime (11358855317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5679427608 + 5679427609.

It is an arithmetic number, because the mean of its divisors is an integer number (5679427609).

Almost surely, 2^11358855217 is an apocalyptic number.

It is an amenable number.

11358855217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11358855217 is an equidigital number, since it uses as much as digits as its factorization.

11358855217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 336000, while the sum is 46.

The spelling of 11358855217 in words is "eleven billion, three hundred fifty-eight million, eight hundred fifty-five thousand, two hundred seventeen".