266513425252042 has 8 divisors (see below), whose sum is σ = 400010528825856. Its totient is φ = 133176582310092.

The previous prime is 266513425252013. The next prime is 266513425252043. The reversal of 266513425252042 is 240252524315662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (266513425252043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40065153808 + ... + 40065160459.

It is an arithmetic number, because the mean of its divisors is an integer number (50001316103232).

Almost surely, 2^{266513425252042} is an apocalyptic number.

266513425252042 is a deficient number, since it is larger than the sum of its proper divisors (133497103573814).

266513425252042 is a wasteful number, since it uses less digits than its factorization.

266513425252042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80130315932.

The product of its (nonzero) digits is 6912000, while the sum is 49.

The spelling of 266513425252042 in words is "two hundred sixty-six trillion, five hundred thirteen billion, four hundred twenty-five million, two hundred fifty-two thousand, forty-two".