11645140207 has 2 divisors, whose sum is σ = 11645140208. Its totient is φ = 11645140206.

The previous prime is 11645140201. The next prime is 11645140217. The reversal of 11645140207 is 70204154611.

It is a weak prime.

It is an emirp because it is prime and its reverse (70204154611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11645140207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11645140201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5822570103 + 5822570104.

It is an arithmetic number, because the mean of its divisors is an integer number (5822570104).

Almost surely, 2^11645140207 is an apocalyptic number.

11645140207 is a deficient number, since it is larger than the sum of its proper divisors (1).

11645140207 is an equidigital number, since it uses as much as digits as its factorization.

11645140207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 31.

Adding to 11645140207 its reverse (70204154611), we get a palindrome (81849294818).

The spelling of 11645140207 in words is "eleven billion, six hundred forty-five million, one hundred forty thousand, two hundred seven".