11734556779 has 8 divisors (see below), whose sum is σ = 12803019840. Its totient is φ = 10666374600.

The previous prime is 11734556761. The next prime is 11734556789. The reversal of 11734556779 is 97765543711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11734556779 - 2⁷ = 11734556651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11734556789) 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 7 ways as a sum of consecutive naturals, for example, 22464 + ... + 154834.

It is an arithmetic number, because the mean of its divisors is an integer number (1600377480).

Almost surely, 2^11734556779 is an apocalyptic number.

11734556779 is a deficient number, since it is larger than the sum of its proper divisors (1068463061).

11734556779 is a wasteful number, since it uses less digits than its factorization.

11734556779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140441.

The product of its digits is 5556600, while the sum is 55.

The spelling of 11734556779 in words is "eleven billion, seven hundred thirty-four million, five hundred fifty-six thousand, seven hundred seventy-nine".