256612226146611 has 8 divisors (see below), whose sum is σ = 343940994207744. Its totient is φ = 170179137758280.

The previous prime is 256612226146597. The next prime is 256612226146631. The reversal of 256612226146611 is 116641622216652.

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

It is not a de Polignac number, because 256612226146611 - 2⁶ = 256612226146547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256612226146631) 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, 223919917531 + ... + 223919918676.

It is an arithmetic number, because the mean of its divisors is an integer number (42992624275968).

Almost surely, 2^{256612226146611} is an apocalyptic number.

256612226146611 is a deficient number, since it is larger than the sum of its proper divisors (87328768061133).

256612226146611 is a wasteful number, since it uses less digits than its factorization.

256612226146611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447839836401.

The product of its digits is 2488320, while the sum is 51.

The spelling of 256612226146611 in words is "two hundred fifty-six trillion, six hundred twelve billion, two hundred twenty-six million, one hundred forty-six thousand, six hundred eleven".