2556212115 has 16 divisors (see below), whose sum is σ = 4091287968. Its totient is φ = 1362863616.

The previous prime is 2556212069. The next prime is 2556212149. The reversal of 2556212115 is 5112126552.

2556212115 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2556212115 - 2⁶ = 2556212051 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21769 + ... + 74741.

It is an arithmetic number, because the mean of its divisors is an integer number (255705498).

Almost surely, 2^2556212115 is an apocalyptic number.

2556212115 is a deficient number, since it is larger than the sum of its proper divisors (1535075853).

2556212115 is a wasteful number, since it uses less digits than its factorization.

2556212115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56198.

The product of its digits is 6000, while the sum is 30.

The square root of 2556212115 is about 50558.9963804663. The cubic root of 2556212115 is about 1367.3057167673.

Adding to 2556212115 its reverse (5112126552), we get a palindrome (7668338667).

The spelling of 2556212115 in words is "two billion, five hundred fifty-six million, two hundred twelve thousand, one hundred fifteen".