11223517667 has 16 divisors (see below), whose sum is σ = 12294236160. Its totient is φ = 10213104000.

The previous prime is 11223517661. The next prime is 11223517699. The reversal of 11223517667 is 76671532211.

It is not a de Polignac number, because 11223517667 - 2⁴ = 11223517651 is a prime.

It is a super-2 number, since 2×11223517667² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11223517661) 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 15 ways as a sum of consecutive naturals, for example, 91334 + ... + 175467.

It is an arithmetic number, because the mean of its divisors is an integer number (768389760).

Almost surely, 2^11223517667 is an apocalyptic number.

11223517667 is a deficient number, since it is larger than the sum of its proper divisors (1070718493).

11223517667 is a wasteful number, since it uses less digits than its factorization.

11223517667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266914.

The product of its digits is 105840, while the sum is 41.

The spelling of 11223517667 in words is "eleven billion, two hundred twenty-three million, five hundred seventeen thousand, six hundred sixty-seven".