11041115771 has 4 divisors (see below), whose sum is σ = 12618418032. Its totient is φ = 9463813512.

The previous prime is 11041115711. The next prime is 11041115801. The reversal of 11041115771 is 17751114011.

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

It is a cyclic number.

It is not a de Polignac number, because 11041115771 - 2³⁰ = 9967373947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11041115711) 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, 788651120 + ... + 788651133.

It is an arithmetic number, because the mean of its divisors is an integer number (3154604508).

Almost surely, 2^11041115771 is an apocalyptic number.

11041115771 is a deficient number, since it is larger than the sum of its proper divisors (1577302261).

11041115771 is an equidigital number, since it uses as much as digits as its factorization.

11041115771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577302260.

The product of its (nonzero) digits is 980, while the sum is 29.

Adding to 11041115771 its reverse (17751114011), we get a palindrome (28792229782).

The spelling of 11041115771 in words is "eleven billion, forty-one million, one hundred fifteen thousand, seven hundred seventy-one".