11164777777 has 8 divisors (see below), whose sum is σ = 11790192960. Its totient is φ = 10543142160.

The previous prime is 11164777721. The next prime is 11164777801. The reversal of 11164777777 is 77777746111.

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 11164777777 - 2⁷ = 11164777649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11164777717) 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, 938818 + ... + 950635.

It is an arithmetic number, because the mean of its divisors is an integer number (1473774120).

Almost surely, 2^11164777777 is an apocalyptic number.

It is an amenable number.

11164777777 is a deficient number, since it is larger than the sum of its proper divisors (625415183).

11164777777 is a wasteful number, since it uses less digits than its factorization.

11164777777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889783.

The product of its digits is 2823576, while the sum is 55.

The spelling of 11164777777 in words is "eleven billion, one hundred sixty-four million, seven hundred seventy-seven thousand, seven hundred seventy-seven".