11391273367 has 8 divisors (see below), whose sum is σ = 11449372032. Its totient is φ = 11333244600.

The previous prime is 11391273353. The next prime is 11391273371. The reversal of 11391273367 is 76337219311.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11391273367 is a prime.

It is a super-2 number, since 2×11391273367² (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 (11391273337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326392 + ... + 359602.

It is an arithmetic number, because the mean of its divisors is an integer number (1431171504).

Almost surely, 2^11391273367 is an apocalyptic number.

11391273367 is a deficient number, since it is larger than the sum of its proper divisors (58098665).

11391273367 is a wasteful number, since it uses less digits than its factorization.

11391273367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34949.

The product of its digits is 142884, while the sum is 43.

The spelling of 11391273367 in words is "eleven billion, three hundred ninety-one million, two hundred seventy-three thousand, three hundred sixty-seven".