256663277020110 has 16 divisors (see below), whose sum is σ = 615991864848336. Its totient is φ = 68443540538688.

The previous prime is 256663277020103. The next prime is 256663277020133. The reversal of 256663277020110 is 11020772366652.

It is a self number, because there is not a number n which added to its sum of digits gives 256663277020110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4277721283639 + ... + 4277721283698.

It is an arithmetic number, because the mean of its divisors is an integer number (38499491553021).

Almost surely, 2^{256663277020110} is an apocalyptic number.

256663277020110 is an abundant number, since it is smaller than the sum of its proper divisors (359328587828226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256663277020110 is a wasteful number, since it uses less digits than its factorization.

256663277020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555442567347.

The product of its (nonzero) digits is 1270080, while the sum is 48.

The spelling of 256663277020110 in words is "two hundred fifty-six trillion, six hundred sixty-three billion, two hundred seventy-seven million, twenty thousand, one hundred ten".