11333355779 has 4 divisors (see below), whose sum is σ = 12000023784. Its totient is φ = 10666687776.

The previous prime is 11333355773. The next prime is 11333355797. The reversal of 11333355779 is 97755333311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97755333311 = 54799 ⋅1783889.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11333355779 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11333355773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 333333977 + ... + 333334010.

It is an arithmetic number, because the mean of its divisors is an integer number (3000005946).

Almost surely, 2^11333355779 is an apocalyptic number.

11333355779 is a deficient number, since it is larger than the sum of its proper divisors (666668005).

11333355779 is an equidigital number, since it uses as much as digits as its factorization.

11333355779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666668004.

The product of its digits is 893025, while the sum is 47.

The spelling of 11333355779 in words is "eleven billion, three hundred thirty-three million, three hundred fifty-five thousand, seven hundred seventy-nine".