2505611115 has 96 divisors (see below), whose sum is σ = 5211648000. Its totient is φ = 1089434880.

The previous prime is 2505611089. The next prime is 2505611117. The reversal of 2505611115 is 5111165052.

It is not a de Polignac number, because 2505611115 - 2⁵ = 2505611083 is a prime.

It is a super-2 number, since 2×2505611115² = 12556174119223086450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2505611117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 573961 + ... + 578309.

It is an arithmetic number, because the mean of its divisors is an integer number (54288000).

Almost surely, 2^2505611115 is an apocalyptic number.

2505611115 is an abundant number, since it is smaller than the sum of its proper divisors (2706036885).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2505611115 is a wasteful number, since it uses less digits than its factorization.

2505611115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4457 (or 4454 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 27.

The square root of 2505611115 is about 50056.0797006717. The cubic root of 2505611115 is about 1358.2234435380.

Adding to 2505611115 its reverse (5111165052), we get a palindrome (7616776167).

The spelling of 2505611115 in words is "two billion, five hundred five million, six hundred eleven thousand, one hundred fifteen".