255657555524142 has 40 divisors (see below), whose sum is σ = 597769356886416. Its totient is φ = 81514003209408.

The previous prime is 255657555524131. The next prime is 255657555524153. The reversal of 255657555524142 is 241425555756552.

255657555524142 is a `hidden beast` number, since 2 + 5 + 5 + 6 + 5 + 75 + 5 + 552 + 4 + 1 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (255657555524131) and next prime (255657555524153).

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 255657555524142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 34307236683 + ... + 34307244134.

Almost surely, 2^{255657555524142} is an apocalyptic number.

255657555524142 is an abundant number, since it is smaller than the sum of its proper divisors (342111801362274).

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

255657555524142 is a wasteful number, since it uses less digits than its factorization.

255657555524142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68614480854 (or 68614480845 counting only the distinct ones).

The product of its digits is 420000000, while the sum is 63.

The spelling of 255657555524142 in words is "two hundred fifty-five trillion, six hundred fifty-seven billion, five hundred fifty-five million, five hundred twenty-four thousand, one hundred forty-two".