266041204126355 has 16 divisors (see below), whose sum is σ = 364933792476864. Its totient is φ = 182389612277760.

The previous prime is 266041204126349. The next prime is 266041204126457. The reversal of 266041204126355 is 553621402140662.

It is not a de Polignac number, because 266041204126355 - 2¹⁸ = 266041203864211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 804873662 + ... + 805204131.

It is an arithmetic number, because the mean of its divisors is an integer number (22808362029804).

Almost surely, 2^{266041204126355} is an apocalyptic number.

266041204126355 is a deficient number, since it is larger than the sum of its proper divisors (98892588350509).

266041204126355 is a wasteful number, since it uses less digits than its factorization.

266041204126355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610082526.

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 266041204126355 in words is "two hundred sixty-six trillion, forty-one billion, two hundred four million, one hundred twenty-six thousand, three hundred fifty-five".