266525217242132 has 24 divisors (see below), whose sum is σ = 484531564070400. Its totient is φ = 128142389213280.

The previous prime is 266525217242113. The next prime is 266525217242159. The reversal of 266525217242132 is 231242712525662.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6845193632 + ... + 6845232567.

It is an arithmetic number, because the mean of its divisors is an integer number (20188815169600).

Almost surely, 2^{266525217242132} is an apocalyptic number.

It is an amenable number.

266525217242132 is a deficient number, since it is larger than the sum of its proper divisors (218006346828268).

266525217242132 is a wasteful number, since it uses less digits than its factorization.

266525217242132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13690426391 (or 13690426389 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

Adding to 266525217242132 its reverse (231242712525662), we get a palindrome (497767929767794).

The spelling of 266525217242132 in words is "two hundred sixty-six trillion, five hundred twenty-five billion, two hundred seventeen million, two hundred forty-two thousand, one hundred thirty-two".