256962506506 has 8 divisors (see below), whose sum is σ = 386979393024. Its totient is φ = 127969375500.

The previous prime is 256962506461. The next prime is 256962506557. The reversal of 256962506506 is 605605269652.

256962506506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 255938250 + ... + 255939253.

It is an arithmetic number, because the mean of its divisors is an integer number (48372424128).

Almost surely, 2^256962506506 is an apocalyptic number.

256962506506 is a deficient number, since it is larger than the sum of its proper divisors (130016886518).

256962506506 is a wasteful number, since it uses less digits than its factorization.

256962506506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511877756.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 256962506506 in words is "two hundred fifty-six billion, nine hundred sixty-two million, five hundred six thousand, five hundred six".