256255805102 has 8 divisors (see below), whose sum is σ = 419327681112. Its totient is φ = 116479911400.

The previous prime is 256255805093. The next prime is 256255805111. The reversal of 256255805102 is 201508552652.

256255805102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (256255805093) and next prime (256255805111).

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

It is a self number, because there is not a number n which added to its sum of digits gives 256255805102.

It is a congruent number.

It is an unprimeable number.

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, 5823995549 + ... + 5823995592.

It is an arithmetic number, because the mean of its divisors is an integer number (52415960139).

Almost surely, 2^256255805102 is an apocalyptic number.

256255805102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

256255805102 is a deficient number, since it is larger than the sum of its proper divisors (163071876010).

256255805102 is a wasteful number, since it uses less digits than its factorization.

256255805102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11647991154.

The product of its (nonzero) digits is 240000, while the sum is 41.

The spelling of 256255805102 in words is "two hundred fifty-six billion, two hundred fifty-five million, eight hundred five thousand, one hundred two".