11706989807 has 2 divisors, whose sum is σ = 11706989808. Its totient is φ = 11706989806.

The previous prime is 11706989743. The next prime is 11706989813. The reversal of 11706989807 is 70898960711.

It is a strong prime.

It is an emirp because it is prime and its reverse (70898960711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11706989807 - 2⁶ = 11706989743 is a prime.

It is a super-2 number, since 2×11706989807² (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 (11706980807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5853494903 + 5853494904.

It is an arithmetic number, because the mean of its divisors is an integer number (5853494904).

Almost surely, 2^11706989807 is an apocalyptic number.

11706989807 is a deficient number, since it is larger than the sum of its proper divisors (1).

11706989807 is an equidigital number, since it uses as much as digits as its factorization.

11706989807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 56.

The spelling of 11706989807 in words is "eleven billion, seven hundred six million, nine hundred eighty-nine thousand, eight hundred seven".