256387341119 has 16 divisors (see below), whose sum is σ = 316073576448. Its totient is φ = 202521680352.

The previous prime is 256387341097. The next prime is 256387341139. The reversal of 256387341119 is 911143783652.

It is a cyclic number.

It is not a de Polignac number, because 256387341119 - 2⁸ = 256387340863 is a prime.

It is a super-2 number, since 2×256387341119² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256387341139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2265557 + ... + 2376030.

It is an arithmetic number, because the mean of its divisors is an integer number (19754598528).

Almost surely, 2^256387341119 is an apocalyptic number.

256387341119 is a deficient number, since it is larger than the sum of its proper divisors (59686235329).

256387341119 is a wasteful number, since it uses less digits than its factorization.

256387341119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4642214.

The product of its digits is 1088640, while the sum is 50.

The spelling of 256387341119 in words is "two hundred fifty-six billion, three hundred eighty-seven million, three hundred forty-one thousand, one hundred nineteen".