2520266011 has 4 divisors (see below), whose sum is σ = 2524516632. Its totient is φ = 2516015392.

The previous prime is 2520265987. The next prime is 2520266027. The reversal of 2520266011 is 1106620252.

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

It is a cyclic number.

It is not a de Polignac number, because 2520266011 - 2⁷ = 2520265883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2520266071) 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, 2124421 + ... + 2125606.

It is an arithmetic number, because the mean of its divisors is an integer number (631129158).

Almost surely, 2^2520266011 is an apocalyptic number.

2520266011 is a deficient number, since it is larger than the sum of its proper divisors (4250621).

2520266011 is an equidigital number, since it uses as much as digits as its factorization.

2520266011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4250620.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2520266011 is about 50202.2510551071. The cubic root of 2520266011 is about 1360.8663041342.

Adding to 2520266011 its reverse (1106620252), we get a palindrome (3626886263).

The spelling of 2520266011 in words is "two billion, five hundred twenty million, two hundred sixty-six thousand, eleven".