11010310505 has 4 divisors (see below), whose sum is σ = 13212372612. Its totient is φ = 8808248400.

The previous prime is 11010310499. The next prime is 11010310523. The reversal of 11010310505 is 50501301011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50501301011 = 7 ⋅7214471573.

It can be written as a sum of positive squares in 2 ways, for example, as 1727566096 + 9282744409 = 41564^2 + 96347^2 .

It is not a de Polignac number, because 11010310505 - 2⁴ = 11010310489 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1101031046 + ... + 1101031055.

It is an arithmetic number, because the mean of its divisors is an integer number (3303093153).

Almost surely, 2^11010310505 is an apocalyptic number.

It is an amenable number.

11010310505 is a deficient number, since it is larger than the sum of its proper divisors (2202062107).

11010310505 is an equidigital number, since it uses as much as digits as its factorization.

11010310505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2202062106.

The product of its (nonzero) digits is 75, while the sum is 17.

Adding to 11010310505 its reverse (50501301011), we get a palindrome (61511611516).

The spelling of 11010310505 in words is "eleven billion, ten million, three hundred ten thousand, five hundred five".