1123334556779 has 4 divisors (see below), whose sum is σ = 1124830342560. Its totient is φ = 1121838771000.

The previous prime is 1123334556767. The next prime is 1123334556787. The reversal of 1123334556779 is 9776554333211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1123334556779 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1123334556979) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747891764 + ... + 747893265.

It is an arithmetic number, because the mean of its divisors is an integer number (281207585640).

Almost surely, 2^{1123334556779} is an apocalyptic number.

1123334556779 is a deficient number, since it is larger than the sum of its proper divisors (1495785781).

1123334556779 is an equidigital number, since it uses as much as digits as its factorization.

1123334556779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1495785780.

The product of its digits is 14288400, while the sum is 56.

The spelling of 1123334556779 in words is "one trillion, one hundred twenty-three billion, three hundred thirty-four million, five hundred fifty-six thousand, seven hundred seventy-nine".