11126311643 has 2 divisors, whose sum is σ = 11126311644. Its totient is φ = 11126311642.

The previous prime is 11126311597. The next prime is 11126311661. The reversal of 11126311643 is 34611362111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11126311643 - 2²² = 11122117339 is a prime.

It is not a weakly prime, because it can be changed into another prime (11126311843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5563155821 + 5563155822.

It is an arithmetic number, because the mean of its divisors is an integer number (5563155822).

Almost surely, 2^11126311643 is an apocalyptic number.

11126311643 is a deficient number, since it is larger than the sum of its proper divisors (1).

11126311643 is an equidigital number, since it uses as much as digits as its factorization.

11126311643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 29.

Adding to 11126311643 its reverse (34611362111), we get a palindrome (45737673754).

The spelling of 11126311643 in words is "eleven billion, one hundred twenty-six million, three hundred eleven thousand, six hundred forty-three".