11451340111 has 2 divisors, whose sum is σ = 11451340112. Its totient is φ = 11451340110.

The previous prime is 11451340091. The next prime is 11451340169. The reversal of 11451340111 is 11104315411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11451340111 - 2⁵ = 11451340079 is a prime.

It is a super-2 number, since 2×11451340111² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11451344111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5725670055 + 5725670056.

It is an arithmetic number, because the mean of its divisors is an integer number (5725670056).

Almost surely, 2^11451340111 is an apocalyptic number.

11451340111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11451340111 is an equidigital number, since it uses as much as digits as its factorization.

11451340111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 11451340111 its reverse (11104315411), we get a palindrome (22555655522).

The spelling of 11451340111 in words is "eleven billion, four hundred fifty-one million, three hundred forty thousand, one hundred eleven".