266012135356250 has 48 divisors (see below), whose sum is σ = 505765351945728. Its totient is φ = 104906194050000.

The previous prime is 266012135356237. The next prime is 266012135356273. The reversal of 266012135356250 is 52653531210662.

It is a junction number, because it is equal to n+sod(n) for n = 266012135356195 and 266012135356204.

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 23 ways as a sum of consecutive naturals, for example, 299288234 + ... + 300175733.

It is an arithmetic number, because the mean of its divisors is an integer number (10536778165536).

Almost surely, 2^{266012135356250} is an apocalyptic number.

266012135356250 is a deficient number, since it is larger than the sum of its proper divisors (239753216589478).

266012135356250 is an frugal number, since it uses more digits than its factorization.

266012135356250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599464065 (or 599464045 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 47.

The spelling of 266012135356250 in words is "two hundred sixty-six trillion, twelve billion, one hundred thirty-five million, three hundred fifty-six thousand, two hundred fifty".