2551115025 has 36 divisors (see below), whose sum is σ = 4611295260. Its totient is φ = 1348099200.

The previous prime is 2551115011. The next prime is 2551115033. The reversal of 2551115025 is 5205111552.

It can be written as a sum of positive squares in 6 ways, for example, as 13373649 + 2537741376 = 3657^2 + 50376^2 .

It is not a de Polignac number, because 2551115025 - 2¹² = 2551110929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2551115025.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 27486 + ... + 76535.

It is an arithmetic number, because the mean of its divisors is an integer number (128091535).

Almost surely, 2^2551115025 is an apocalyptic number.

2551115025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2551115025 is a deficient number, since it is larger than the sum of its proper divisors (2060180235).

2551115025 is a wasteful number, since it uses less digits than its factorization.

2551115025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104146 (or 104138 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The square root of 2551115025 is about 50508.5638778217. The cubic root of 2551115025 is about 1366.3963089702.

Adding to 2551115025 its reverse (5205111552), we get a palindrome (7756226577).

The spelling of 2551115025 in words is "two billion, five hundred fifty-one million, one hundred fifteen thousand, twenty-five".