11167987767 has 8 divisors (see below), whose sum is σ = 15207472896. Its totient is φ = 7286913912.

The previous prime is 11167987757. The next prime is 11167987793. The reversal of 11167987767 is 76778976111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11167987767 - 2¹⁶ = 11167922231 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11167987767.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11167987757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39602653 + ... + 39602934.

It is an arithmetic number, because the mean of its divisors is an integer number (1900934112).

Almost surely, 2^11167987767 is an apocalyptic number.

11167987767 is a deficient number, since it is larger than the sum of its proper divisors (4039485129).

11167987767 is an equidigital number, since it uses as much as digits as its factorization.

11167987767 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79205637.

The product of its digits is 6223392, while the sum is 60.

The spelling of 11167987767 in words is "eleven billion, one hundred sixty-seven million, nine hundred eighty-seven thousand, seven hundred sixty-seven".