2556260115 has 8 divisors (see below), whose sum is σ = 4090016208. Its totient is φ = 1363338720.

The previous prime is 2556260081. The next prime is 2556260141. The reversal of 2556260115 is 5110626552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2556260115 - 2¹⁰ = 2556259091 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 85208656 + ... + 85208685.

It is an arithmetic number, because the mean of its divisors is an integer number (511252026).

Almost surely, 2^2556260115 is an apocalyptic number.

2556260115 is a deficient number, since it is larger than the sum of its proper divisors (1533756093).

2556260115 is a wasteful number, since it uses less digits than its factorization.

2556260115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170417349.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 2556260115 is about 50559.4710712048. The cubic root of 2556260115 is about 1367.3142750378.

Adding to 2556260115 its reverse (5110626552), we get a palindrome (7666886667).

The spelling of 2556260115 in words is "two billion, five hundred fifty-six million, two hundred sixty thousand, one hundred fifteen".