265134632542001 has 4 divisors (see below), whose sum is σ = 265135166362212. Its totient is φ = 265134098721792.

The previous prime is 265134632541967. The next prime is 265134632542007. The reversal of 265134632542001 is 100245236431562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 252375798595600 + 12758833946401 = 15886340^2 + 3571951^2 .

It is a cyclic number.

It is not a de Polignac number, because 265134632542001 - 2²⁶ = 265134565433137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265134632542007) 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, 266164400 + ... + 267158673.

It is an arithmetic number, because the mean of its divisors is an integer number (66283791590553).

Almost surely, 2^{265134632542001} is an apocalyptic number.

It is an amenable number.

265134632542001 is a deficient number, since it is larger than the sum of its proper divisors (533820211).

265134632542001 is an equidigital number, since it uses as much as digits as its factorization.

265134632542001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533820210.

The product of its (nonzero) digits is 1036800, while the sum is 44.

Adding to 265134632542001 its reverse (100245236431562), we get a palindrome (365379868973563).

The spelling of 265134632542001 in words is "two hundred sixty-five trillion, one hundred thirty-four billion, six hundred thirty-two million, five hundred forty-two thousand, one".