256053616043 has 8 divisors (see below), whose sum is σ = 262683477360. Its totient is φ = 249502214880.

The previous prime is 256053616009. The next prime is 256053616061. The reversal of 256053616043 is 340616350652.

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

It is a cyclic number.

It is not a de Polignac number, because 256053616043 - 2¹⁶ = 256053550507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (256053216043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19608428 + ... + 19621481.

It is an arithmetic number, because the mean of its divisors is an integer number (32835434670).

Almost surely, 2^256053616043 is an apocalyptic number.

256053616043 is a deficient number, since it is larger than the sum of its proper divisors (6629861317).

256053616043 is a wasteful number, since it uses less digits than its factorization.

256053616043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39230077.

The product of its (nonzero) digits is 388800, while the sum is 41.

Adding to 256053616043 its reverse (340616350652), we get a palindrome (596669966695).

The spelling of 256053616043 in words is "two hundred fifty-six billion, fifty-three million, six hundred sixteen thousand, forty-three".