265135604117 has 2 divisors, whose sum is σ = 265135604118. Its totient is φ = 265135604116.

The previous prime is 265135604099. The next prime is 265135604203. The reversal of 265135604117 is 711406531562.

It is a happy number.

265135604117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 246183676561 + 18951927556 = 496169^2 + 137666^2 .

It is a cyclic number.

It is not a de Polignac number, because 265135604117 - 2⁸ = 265135603861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (265135604317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132567802058 + 132567802059.

It is an arithmetic number, because the mean of its divisors is an integer number (132567802059).

Almost surely, 2^265135604117 is an apocalyptic number.

It is an amenable number.

265135604117 is a deficient number, since it is larger than the sum of its proper divisors (1).

265135604117 is an equidigital number, since it uses as much as digits as its factorization.

265135604117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 265135604117 in words is "two hundred sixty-five billion, one hundred thirty-five million, six hundred four thousand, one hundred seventeen".