11667213113 has 2 divisors, whose sum is σ = 11667213114. Its totient is φ = 11667213112.

The previous prime is 11667213079. The next prime is 11667213127. The reversal of 11667213113 is 31131276611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11027730169 + 639482944 = 105013^2 + 25288^2 .

It is a cyclic number.

It is not a de Polignac number, because 11667213113 - 2⁸ = 11667212857 is a prime.

It is a super-2 number, since 2×11667213113² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11667213113.

It is not a weakly prime, because it can be changed into another prime (11667213133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833606556 + 5833606557.

It is an arithmetic number, because the mean of its divisors is an integer number (5833606557).

Almost surely, 2^11667213113 is an apocalyptic number.

It is an amenable number.

11667213113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11667213113 is an equidigital number, since it uses as much as digits as its factorization.

11667213113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536, while the sum is 32.

Adding to 11667213113 its reverse (31131276611), we get a palindrome (42798489724).

The spelling of 11667213113 in words is "eleven billion, six hundred sixty-seven million, two hundred thirteen thousand, one hundred thirteen".