255655221076 has 6 divisors (see below), whose sum is σ = 447396636890. Its totient is φ = 127827610536.

The previous prime is 255655221067. The next prime is 255655221103. The reversal of 255655221076 is 670122556552.

It can be written as a sum of positive squares in only one way, i.e., 216526424976 + 39128796100 = 465324^2 + 197810^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31956902631 + ... + 31956902638.

Almost surely, 2^255655221076 is an apocalyptic number.

It is an amenable number.

255655221076 is a deficient number, since it is larger than the sum of its proper divisors (191741415814).

255655221076 is a wasteful number, since it uses less digits than its factorization.

255655221076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63913805273 (or 63913805271 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 46.

The spelling of 255655221076 in words is "two hundred fifty-five billion, six hundred fifty-five million, two hundred twenty-one thousand, seventy-six".