255511892668 has 12 divisors (see below), whose sum is σ = 448927271352. Its totient is φ = 127246958000.

The previous prime is 255511892659. The next prime is 255511892759. The reversal of 255511892668 is 866298115552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127245955 + ... + 127247962.

It is an arithmetic number, because the mean of its divisors is an integer number (37410605946).

Almost surely, 2^255511892668 is an apocalyptic number.

It is an amenable number.

255511892668 is a deficient number, since it is larger than the sum of its proper divisors (193415378684).

255511892668 is a wasteful number, since it uses less digits than its factorization.

255511892668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254494172 (or 254494170 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 58.

The spelling of 255511892668 in words is "two hundred fifty-five billion, five hundred eleven million, eight hundred ninety-two thousand, six hundred sixty-eight".