11312111636267 has 4 divisors (see below), whose sum is σ = 12182274069840. Its totient is φ = 10441949202696.

The previous prime is 11312111636263. The next prime is 11312111636323. The reversal of 11312111636267 is 76263611121311.

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 11312111636267 - 2² = 11312111636263 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11312111636263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 435081216767 + ... + 435081216792.

It is an arithmetic number, because the mean of its divisors is an integer number (3045568517460).

Almost surely, 2^{11312111636267} is an apocalyptic number.

11312111636267 is a deficient number, since it is larger than the sum of its proper divisors (870162433573).

11312111636267 is an equidigital number, since it uses as much as digits as its factorization.

11312111636267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870162433572.

The product of its digits is 54432, while the sum is 41.

Adding to 11312111636267 its reverse (76263611121311), we get a palindrome (87575722757578).

The spelling of 11312111636267 in words is "eleven trillion, three hundred twelve billion, one hundred eleven million, six hundred thirty-six thousand, two hundred sixty-seven".