2505052011 has 16 divisors (see below), whose sum is σ = 4164242688. Its totient is φ = 1301325600.

The previous prime is 2505051931. The next prime is 2505052019. The reversal of 2505052011 is 1102505052.

It is not a de Polignac number, because 2505052011 - 2⁷ = 2505051883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2505052019) 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, 5421960 + ... + 5422421.

It is an arithmetic number, because the mean of its divisors is an integer number (260265168).

Almost surely, 2^2505052011 is an apocalyptic number.

2505052011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2505052011 is a deficient number, since it is larger than the sum of its proper divisors (1659190677).

2505052011 is a wasteful number, since it uses less digits than its factorization.

2505052011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10844402.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 2505052011 is about 50050.4946129406. The cubic root of 2505052011 is about 1358.1224110132.

Adding to 2505052011 its reverse (1102505052), we get a palindrome (3607557063).

The spelling of 2505052011 in words is "two billion, five hundred five million, fifty-two thousand, eleven".