256015808301 has 16 divisors (see below), whose sum is σ = 381046786560. Its totient is φ = 151552697520.

The previous prime is 256015808267. The next prime is 256015808303. The reversal of 256015808301 is 103808510652.

It is not a de Polignac number, because 256015808301 - 2¹³ = 256015800109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 256015808301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256015808303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90208521 + ... + 90211358.

It is an arithmetic number, because the mean of its divisors is an integer number (23815424160).

Almost surely, 2^256015808301 is an apocalyptic number.

It is an amenable number.

256015808301 is a deficient number, since it is larger than the sum of its proper divisors (125030978259).

256015808301 is a wasteful number, since it uses less digits than its factorization.

256015808301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180419936.

The product of its (nonzero) digits is 57600, while the sum is 39.

The spelling of 256015808301 in words is "two hundred fifty-six billion, fifteen million, eight hundred eight thousand, three hundred one".