11133373385 has 4 divisors (see below), whose sum is σ = 13360048068. Its totient is φ = 8906698704.

The previous prime is 11133373357. The next prime is 11133373409. The reversal of 11133373385 is 58337333111.

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 1501717504 + 9631655881 = 38752^2 + 98141^2 .

It is a cyclic number.

It is not a de Polignac number, because 11133373385 - 2²⁸ = 10864937929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1113337334 + ... + 1113337343.

It is an arithmetic number, because the mean of its divisors is an integer number (3340012017).

Almost surely, 2^11133373385 is an apocalyptic number.

It is an amenable number.

11133373385 is a deficient number, since it is larger than the sum of its proper divisors (2226674683).

11133373385 is an equidigital number, since it uses as much as digits as its factorization.

11133373385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2226674682.

The product of its digits is 68040, while the sum is 38.

The spelling of 11133373385 in words is "eleven billion, one hundred thirty-three million, three hundred seventy-three thousand, three hundred eighty-five".