11056612201 has 4 divisors (see below), whose sum is σ = 11707001172. Its totient is φ = 10406223232.

The previous prime is 11056612163. The next prime is 11056612207. The reversal of 11056612201 is 10221665011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10221665011 = 19 ⋅537982369.

It can be written as a sum of positive squares in 2 ways, for example, as 4073502976 + 6983109225 = 63824^2 + 83565^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056612201 - 2¹⁵ = 11056579433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11056612207) 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, 325194460 + ... + 325194493.

It is an arithmetic number, because the mean of its divisors is an integer number (2926750293).

Almost surely, 2^11056612201 is an apocalyptic number.

It is an amenable number.

11056612201 is a deficient number, since it is larger than the sum of its proper divisors (650388971).

11056612201 is an equidigital number, since it uses as much as digits as its factorization.

11056612201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650388970.

The product of its (nonzero) digits is 720, while the sum is 25.

The spelling of 11056612201 in words is "eleven billion, fifty-six million, six hundred twelve thousand, two hundred one".