255543015540544 has 56 divisors (see below), whose sum is σ = 507312713120576. Its totient is φ = 127716196608000.

The previous prime is 255543015540521. The next prime is 255543015540577. The reversal of 255543015540544 is 445045510345552.

It is a junction number, because it is equal to n+sod(n) for n = 255543015540491 and 255543015540500.

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, 3230143549 + ... + 3230222659.

Almost surely, 2^{255543015540544} is an apocalyptic number.

It is an amenable number.

255543015540544 is a deficient number, since it is larger than the sum of its proper divisors (251769697580032).

255543015540544 is a wasteful number, since it uses less digits than its factorization.

255543015540544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100335 (or 100325 counting only the distinct ones).

The product of its (nonzero) digits is 24000000, while the sum is 52.

The spelling of 255543015540544 in words is "two hundred fifty-five trillion, five hundred forty-three billion, fifteen million, five hundred forty thousand, five hundred forty-four".