11162222447 has 2 divisors, whose sum is σ = 11162222448. Its totient is φ = 11162222446.

The previous prime is 11162222443. The next prime is 11162222497. The reversal of 11162222447 is 74422226111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11162222447 - 2² = 11162222443 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11162222443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5581111223 + 5581111224.

It is an arithmetic number, because the mean of its divisors is an integer number (5581111224).

Almost surely, 2^11162222447 is an apocalyptic number.

11162222447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11162222447 is an equidigital number, since it uses as much as digits as its factorization.

11162222447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10752, while the sum is 32.

Adding to 11162222447 its reverse (74422226111), we get a palindrome (85584448558).

The spelling of 11162222447 in words is "eleven billion, one hundred sixty-two million, two hundred twenty-two thousand, four hundred forty-seven".