11020310305 has 4 divisors (see below), whose sum is σ = 13224372372. Its totient is φ = 8816248240.

The previous prime is 11020310303. The next prime is 11020310363. The reversal of 11020310305 is 50301302011.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2104607376 + 8915702929 = 45876^2 + 94423^2 .

It is not a de Polignac number, because 11020310305 - 2¹ = 11020310303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11020310303) 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, 1102031026 + ... + 1102031035.

It is an arithmetic number, because the mean of its divisors is an integer number (3306093093).

Almost surely, 2^11020310305 is an apocalyptic number.

It is an amenable number.

11020310305 is a deficient number, since it is larger than the sum of its proper divisors (2204062067).

11020310305 is an equidigital number, since it uses as much as digits as its factorization.

11020310305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204062066.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 11020310305 its reverse (50301302011), we get a palindrome (61321612316).

The spelling of 11020310305 in words is "eleven billion, twenty million, three hundred ten thousand, three hundred five".