11020365109 has 8 divisors (see below), whose sum is σ = 11938313240. Its totient is φ = 10172642688.

The previous prime is 11020365079. The next prime is 11020365121. The reversal of 11020365109 is 90156302011.

It can be written as a sum of positive squares in 4 ways, for example, as 3807260209 + 7213104900 = 61703^2 + 84930^2 .

It is not a de Polignac number, because 11020365109 - 2¹⁵ = 11020332341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020368109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2505852 + ... + 2510245.

It is an arithmetic number, because the mean of its divisors is an integer number (1492289155).

Almost surely, 2^11020365109 is an apocalyptic number.

It is an amenable number.

11020365109 is a deficient number, since it is larger than the sum of its proper divisors (917948131).

11020365109 is an frugal number, since it uses more digits than its factorization.

11020365109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5016136 (or 5016110 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The spelling of 11020365109 in words is "eleven billion, twenty million, three hundred sixty-five thousand, one hundred nine".