111667053385 has 4 divisors (see below), whose sum is σ = 134000464068. Its totient is φ = 89333642704.

The previous prime is 111667053367. The next prime is 111667053389. The reversal of 111667053385 is 583350766111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 88159111056 + 23507942329 = 296916^2 + 153323^2 .

It is a cyclic number.

It is not a de Polignac number, because 111667053385 - 2⁷ = 111667053257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111667053389) 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 3 ways as a sum of consecutive naturals, for example, 11166705334 + ... + 11166705343.

It is an arithmetic number, because the mean of its divisors is an integer number (33500116017).

Almost surely, 2^111667053385 is an apocalyptic number.

It is an amenable number.

111667053385 is a deficient number, since it is larger than the sum of its proper divisors (22333410683).

111667053385 is an equidigital number, since it uses as much as digits as its factorization.

111667053385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22333410682.

The product of its (nonzero) digits is 453600, while the sum is 46.

The spelling of 111667053385 in words is "one hundred eleven billion, six hundred sixty-seven million, fifty-three thousand, three hundred eighty-five".