266055289475 has 12 divisors (see below), whose sum is σ = 333615399480. Its totient is φ = 210452721600.

The previous prime is 266055289471. The next prime is 266055289501. The reversal of 266055289475 is 574982550662.

It is a happy number.

It is not a de Polignac number, because 266055289475 - 2² = 266055289471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (266055289471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59785481 + ... + 59789930.

It is an arithmetic number, because the mean of its divisors is an integer number (27801283290).

Almost surely, 2^266055289475 is an apocalyptic number.

266055289475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

266055289475 is a deficient number, since it is larger than the sum of its proper divisors (67560110005).

266055289475 is a wasteful number, since it uses less digits than its factorization.

266055289475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119575510 (or 119575505 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 59.

The spelling of 266055289475 in words is "two hundred sixty-six billion, fifty-five million, two hundred eighty-nine thousand, four hundred seventy-five".