2520811011 has 16 divisors (see below), whose sum is σ = 3403975680. Its totient is φ = 1659122400.

The previous prime is 2520811003. The next prime is 2520811037. The reversal of 2520811011 is 1101180252.

It is not a de Polignac number, because 2520811011 - 2³ = 2520811003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2520811061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483205 + ... + 488393.

It is an arithmetic number, because the mean of its divisors is an integer number (212748480).

Almost surely, 2^2520811011 is an apocalyptic number.

2520811011 is a deficient number, since it is larger than the sum of its proper divisors (883164669).

2520811011 is a wasteful number, since it uses less digits than its factorization.

2520811011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7226.

The product of its (nonzero) digits is 160, while the sum is 21.

The square root of 2520811011 is about 50207.6788051390. The cubic root of 2520811011 is about 1360.9643914892.

Adding to 2520811011 its reverse (1101180252), we get a palindrome (3621991263).

The spelling of 2520811011 in words is "two billion, five hundred twenty million, eight hundred eleven thousand, eleven".