266135025046125 has 128 divisors (see below), whose sum is σ = 474179936256000. Its totient is φ = 132154950470400.

The previous prime is 266135025046103. The next prime is 266135025046139. The reversal of 266135025046125 is 521640520531662.

It is not a de Polignac number, because 266135025046125 - 2²¹ = 266135022948973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1667547831 + ... + 1667707419.

It is an arithmetic number, because the mean of its divisors is an integer number (3704530752000).

Almost surely, 2^{266135025046125} is an apocalyptic number.

266135025046125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

266135025046125 is a deficient number, since it is larger than the sum of its proper divisors (208044911209875).

266135025046125 is a wasteful number, since it uses less digits than its factorization.

266135025046125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163652 (or 163642 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

Adding to 266135025046125 its reverse (521640520531662), we get a palindrome (787775545577787).

The spelling of 266135025046125 in words is "two hundred sixty-six trillion, one hundred thirty-five billion, twenty-five million, forty-six thousand, one hundred twenty-five".