11041311577 has 4 divisors (see below), whose sum is σ = 11041678080. Its totient is φ = 11040945076.

The previous prime is 11041311493. The next prime is 11041311629. The reversal of 11041311577 is 77511314011.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11041311577 is a prime.

It is a super-2 number, since 2×11041311577² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11041311877) 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, 133573 + ... + 199810.

It is an arithmetic number, because the mean of its divisors is an integer number (2760419520).

Almost surely, 2^11041311577 is an apocalyptic number.

It is an amenable number.

11041311577 is a deficient number, since it is larger than the sum of its proper divisors (366503).

11041311577 is an equidigital number, since it uses as much as digits as its factorization.

11041311577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366502.

The product of its (nonzero) digits is 2940, while the sum is 31.

Adding to 11041311577 its reverse (77511314011), we get a palindrome (88552625588).

The spelling of 11041311577 in words is "eleven billion, forty-one million, three hundred eleven thousand, five hundred seventy-seven".