266057051022129 has 32 divisors (see below), whose sum is σ = 358071254581248. Its totient is φ = 175715799848000.

The previous prime is 266057051022053. The next prime is 266057051022247. The reversal of 266057051022129 is 921220150750662.

It is a cyclic number.

It is not a de Polignac number, because 266057051022129 - 2²⁷ = 266056916804401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266057051020129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 195881119 + ... + 197234699.

It is an arithmetic number, because the mean of its divisors is an integer number (11189726705664).

Almost surely, 2^{266057051022129} is an apocalyptic number.

It is an amenable number.

266057051022129 is a deficient number, since it is larger than the sum of its proper divisors (92014203559119).

266057051022129 is a wasteful number, since it uses less digits than its factorization.

266057051022129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1355189.

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 266057051022129 in words is "two hundred sixty-six trillion, fifty-seven billion, fifty-one million, twenty-two thousand, one hundred twenty-nine".