2256655144115 has 4 divisors (see below), whose sum is σ = 2707986172944. Its totient is φ = 1805324115288.

The previous prime is 2256655144111. The next prime is 2256655144141. The reversal of 2256655144115 is 5114415566522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2256655144115 - 2² = 2256655144111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2256655144115.

It is not an unprimeable number, because it can be changed into a prime (2256655144111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225665514407 + ... + 225665514416.

It is an arithmetic number, because the mean of its divisors is an integer number (676996543236).

Almost surely, 2^{2256655144115} is an apocalyptic number.

2256655144115 is a deficient number, since it is larger than the sum of its proper divisors (451331028829).

2256655144115 is an equidigital number, since it uses as much as digits as its factorization.

2256655144115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451331028828.

The product of its digits is 1440000, while the sum is 47.

The spelling of 2256655144115 in words is "two trillion, two hundred fifty-six billion, six hundred fifty-five million, one hundred forty-four thousand, one hundred fifteen".