266527852481 has 4 divisors (see below), whose sum is σ = 290757657264. Its totient is φ = 242298047700.

The previous prime is 266527852457. The next prime is 266527852519. The reversal of 266527852481 is 184258725662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 266527852481 - 2¹⁴ = 266527836097 is a prime.

It is a super-2 number, since 2×266527852481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (266527852411) 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, 12114902375 + ... + 12114902396.

It is an arithmetic number, because the mean of its divisors is an integer number (72689414316).

Almost surely, 2^266527852481 is an apocalyptic number.

It is an amenable number.

266527852481 is a deficient number, since it is larger than the sum of its proper divisors (24229804783).

266527852481 is a wasteful number, since it uses less digits than its factorization.

266527852481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24229804782.

The product of its digits is 12902400, while the sum is 56.

The spelling of 266527852481 in words is "two hundred sixty-six billion, five hundred twenty-seven million, eight hundred fifty-two thousand, four hundred eighty-one".