11667310207 has 4 divisors (see below), whose sum is σ = 13334068816. Its totient is φ = 10000551600.

The previous prime is 11667310201. The next prime is 11667310219. The reversal of 11667310207 is 70201376611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11667310207 - 2¹⁵ = 11667277439 is a prime.

It is a super-2 number, since 2×11667310207² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11667310201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833379294 + ... + 833379307.

It is an arithmetic number, because the mean of its divisors is an integer number (3333517204).

Almost surely, 2^11667310207 is an apocalyptic number.

11667310207 is a deficient number, since it is larger than the sum of its proper divisors (1666758609).

11667310207 is an equidigital number, since it uses as much as digits as its factorization.

11667310207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666758608.

The product of its (nonzero) digits is 10584, while the sum is 34.

Adding to 11667310207 its reverse (70201376611), we get a palindrome (81868686818).

The spelling of 11667310207 in words is "eleven billion, six hundred sixty-seven million, three hundred ten thousand, two hundred seven".