11667672287 has 2 divisors, whose sum is σ = 11667672288. Its totient is φ = 11667672286.

The previous prime is 11667672259. The next prime is 11667672307. The reversal of 11667672287 is 78227676611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11667672287 - 2⁸ = 11667672031 is a prime.

It is a super-2 number, since 2×11667672287² (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 (11667672217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5833836143 + 5833836144.

It is an arithmetic number, because the mean of its divisors is an integer number (5833836144).

Almost surely, 2^11667672287 is an apocalyptic number.

11667672287 is a deficient number, since it is larger than the sum of its proper divisors (1).

11667672287 is an equidigital number, since it uses as much as digits as its factorization.

11667672287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2370816, while the sum is 53.

The spelling of 11667672287 in words is "eleven billion, six hundred sixty-seven million, six hundred seventy-two thousand, two hundred eighty-seven".