11123047551771 has 24 divisors (see below), whose sum is σ = 16676531813760. Its totient is φ = 7136512387200.

The previous prime is 11123047551757. The next prime is 11123047551773. The reversal of 11123047551771 is 17715574032111.

11123047551771 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 3 + 0 + 475 + 5 + 177 + 1 = 666.

It is not a de Polignac number, because 11123047551771 - 2¹⁴ = 11123047535387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123047551773) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110080866 + ... + 110181863.

It is an arithmetic number, because the mean of its divisors is an integer number (694855492240).

Almost surely, 2^{11123047551771} is an apocalyptic number.

11123047551771 is a deficient number, since it is larger than the sum of its proper divisors (5553484261989).

11123047551771 is a wasteful number, since it uses less digits than its factorization.

11123047551771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220262947 (or 220262944 counting only the distinct ones).

The product of its (nonzero) digits is 205800, while the sum is 45.

The spelling of 11123047551771 in words is "eleven trillion, one hundred twenty-three billion, forty-seven million, five hundred fifty-one thousand, seven hundred seventy-one".