57205086128268 has 24 divisors (see below), whose sum is σ = 143746113861168. Its totient is φ = 17601564962496.

The previous prime is 57205086128257. The next prime is 57205086128293. The reversal of 57205086128268 is 86282168050275.

It is a happy 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, 183349634871 + ... + 183349635182.

It is an arithmetic number, because the mean of its divisors is an integer number (5989421410882).

Almost surely, 2^{57205086128268} is an apocalyptic number.

It is an amenable number.

57205086128268 is an abundant number, since it is smaller than the sum of its proper divisors (86541027732900).

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

57205086128268 is a wasteful number, since it uses less digits than its factorization.

57205086128268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366699270073 (or 366699270071 counting only the distinct ones).

The product of its (nonzero) digits is 25804800, while the sum is 60.

The spelling of 57205086128268 in words is "fifty-seven trillion, two hundred five billion, eighty-six million, one hundred twenty-eight thousand, two hundred sixty-eight".