11866137707 has 2 divisors, whose sum is σ = 11866137708. Its totient is φ = 11866137706.

The previous prime is 11866137677. The next prime is 11866137709. The reversal of 11866137707 is 70773166811.

11866137707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11866137707 - 2¹⁸ = 11865875563 is a prime.

It is a super-4 number, since 4×11866137707⁴ (a number of 41 digits) contains 4444 as substring.

Together with 11866137709, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11866137709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5933068853 + 5933068854.

It is an arithmetic number, because the mean of its divisors is an integer number (5933068854).

Almost surely, 2^11866137707 is an apocalyptic number.

11866137707 is a deficient number, since it is larger than the sum of its proper divisors (1).

11866137707 is an equidigital number, since it uses as much as digits as its factorization.

11866137707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 47.

The spelling of 11866137707 in words is "eleven billion, eight hundred sixty-six million, one hundred thirty-seven thousand, seven hundred seven".