11116520201 has 4 divisors (see below), whose sum is σ = 11770433172. Its totient is φ = 10462607232.

The previous prime is 11116520183. The next prime is 11116520203. The reversal of 11116520201 is 10202561111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10202561111 = 18913 ⋅539447.

It can be written as a sum of positive squares in 2 ways, for example, as 6313891600 + 4802628601 = 79460^2 + 69301^2 .

It is a cyclic number.

It is not a de Polignac number, because 11116520201 - 2²⁶ = 11049411337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11116520203) 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, 326956460 + ... + 326956493.

It is an arithmetic number, because the mean of its divisors is an integer number (2942608293).

Almost surely, 2^11116520201 is an apocalyptic number.

It is an amenable number.

11116520201 is a deficient number, since it is larger than the sum of its proper divisors (653912971).

11116520201 is an equidigital number, since it uses as much as digits as its factorization.

11116520201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653912970.

The product of its (nonzero) digits is 120, while the sum is 20.

The spelling of 11116520201 in words is "eleven billion, one hundred sixteen million, five hundred twenty thousand, two hundred one".