2556948118148 has 12 divisors (see below), whose sum is σ = 4559086739340. Its totient is φ = 1254351906912.

The previous prime is 2556948118057. The next prime is 2556948118169. The reversal of 2556948118148 is 8418118496552.

It can be written as a sum of positive squares in 2 ways, for example, as 1151281788484 + 1405666329664 = 1072978^2 + 1185608^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6030537803 + ... + 6030538226.

It is an arithmetic number, because the mean of its divisors is an integer number (379923894945).

Almost surely, 2^{2556948118148} is an apocalyptic number.

It is an amenable number.

2556948118148 is a deficient number, since it is larger than the sum of its proper divisors (2002138621192).

2556948118148 is a wasteful number, since it uses less digits than its factorization.

2556948118148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12061076086 (or 12061076084 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 62.

The spelling of 2556948118148 in words is "two trillion, five hundred fifty-six billion, nine hundred forty-eight million, one hundred eighteen thousand, one hundred forty-eight".