11284155777 has 4 divisors (see below), whose sum is σ = 15045541040. Its totient is φ = 7522770516.

The previous prime is 11284155767. The next prime is 11284155781. The reversal of 11284155777 is 77755148211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11284155777 - 2²⁰ = 11283107201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11284155767) 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, 1880692627 + ... + 1880692632.

It is an arithmetic number, because the mean of its divisors is an integer number (3761385260).

Almost surely, 2^11284155777 is an apocalyptic number.

It is an amenable number.

11284155777 is a deficient number, since it is larger than the sum of its proper divisors (3761385263).

11284155777 is an equidigital number, since it uses as much as digits as its factorization.

11284155777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3761385262.

The product of its digits is 548800, while the sum is 48.

The spelling of 11284155777 in words is "eleven billion, two hundred eighty-four million, one hundred fifty-five thousand, seven hundred seventy-seven".