11640893807 has 2 divisors, whose sum is σ = 11640893808. Its totient is φ = 11640893806.

The previous prime is 11640893779. The next prime is 11640893893. The reversal of 11640893807 is 70839804611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11640893807 - 2³⁰ = 10567151983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11640895807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5820446903 + 5820446904.

It is an arithmetic number, because the mean of its divisors is an integer number (5820446904).

Almost surely, 2^11640893807 is an apocalyptic number.

11640893807 is a deficient number, since it is larger than the sum of its proper divisors (1).

11640893807 is an equidigital number, since it uses as much as digits as its factorization.

11640893807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 11640893807 in words is "eleven billion, six hundred forty million, eight hundred ninety-three thousand, eight hundred seven".