256623324475201 has 8 divisors (see below), whose sum is σ = 259049069092800. Its totient is φ = 254208941659728.

The previous prime is 256623324475183. The next prime is 256623324475223. The reversal of 256623324475201 is 102574423326652.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-256623324475201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256623324475261) 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 7 ways as a sum of consecutive naturals, for example, 2840405146 + ... + 2840495491.

It is an arithmetic number, because the mean of its divisors is an integer number (32381133636600).

Almost surely, 2^{256623324475201} is an apocalyptic number.

It is an amenable number.

256623324475201 is a deficient number, since it is larger than the sum of its proper divisors (2425744617599).

256623324475201 is a wasteful number, since it uses less digits than its factorization.

256623324475201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5680901063.

The product of its (nonzero) digits is 14515200, while the sum is 52.

The spelling of 256623324475201 in words is "two hundred fifty-six trillion, six hundred twenty-three billion, three hundred twenty-four million, four hundred seventy-five thousand, two hundred one".