571225425887668 has 48 divisors (see below), whose sum is σ = 1016901113659200. Its totient is φ = 280685250408960.

The previous prime is 571225425887581. The next prime is 571225425887681. The reversal of 571225425887668 is 866788524522175.

It is a junction number, because it is equal to n+sod(n) for n = 571225425887594 and 571225425887603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12335061298 + ... + 12335107606.

It is an arithmetic number, because the mean of its divisors is an integer number (21185439867900).

Almost surely, 2^{571225425887668} is an apocalyptic number.

It is an amenable number.

571225425887668 is a deficient number, since it is larger than the sum of its proper divisors (445675687771532).

571225425887668 is a wasteful number, since it uses less digits than its factorization.

571225425887668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61360 (or 61358 counting only the distinct ones).

The product of its digits is 3612672000, while the sum is 76.

The spelling of 571225425887668 in words is "five hundred seventy-one trillion, two hundred twenty-five billion, four hundred twenty-five million, eight hundred eighty-seven thousand, six hundred sixty-eight".