555775881613680 has 1280 divisors, whose sum is σ = 2171416180469760. Its totient is φ = 114489506267136.

The previous prime is 555775881613663. The next prime is 555775881613703. The reversal of 555775881613680 is 86316188577555.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 49742756574 + ... + 49742767746.

It is an arithmetic number, because the mean of its divisors is an integer number (1696418890992).

Almost surely, 2^{555775881613680} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555775881613680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085708090234880).

555775881613680 is an abundant number, since it is smaller than the sum of its proper divisors (1615640298856080).

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

555775881613680 is a wasteful number, since it uses less digits than its factorization.

555775881613680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11618 (or 11612 counting only the distinct ones).

The product of its (nonzero) digits is 1693440000, while the sum is 75.

The spelling of 555775881613680 in words is "five hundred fifty-five trillion, seven hundred seventy-five billion, eight hundred eighty-one million, six hundred thirteen thousand, six hundred eighty".