11131312067 has 2 divisors, whose sum is σ = 11131312068. Its totient is φ = 11131312066.

The previous prime is 11131312057. The next prime is 11131312081. The reversal of 11131312067 is 76021313111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11131312067 is a prime.

It is a super-2 number, since 2×11131312067² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11131312057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5565656033 + 5565656034.

It is an arithmetic number, because the mean of its divisors is an integer number (5565656034).

Almost surely, 2^11131312067 is an apocalyptic number.

11131312067 is a deficient number, since it is larger than the sum of its proper divisors (1).

11131312067 is an equidigital number, since it uses as much as digits as its factorization.

11131312067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 11131312067 its reverse (76021313111), we get a palindrome (87152625178).

The spelling of 11131312067 in words is "eleven billion, one hundred thirty-one million, three hundred twelve thousand, sixty-seven".