265204137861067 has 2 divisors, whose sum is σ = 265204137861068. Its totient is φ = 265204137861066.

The previous prime is 265204137861031. The next prime is 265204137861073. The reversal of 265204137861067 is 760168731402562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 265204137861067 - 2¹⁹ = 265204137336779 is a prime.

It is not a weakly prime, because it can be changed into another prime (265204137861097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132602068930533 + 132602068930534.

It is an arithmetic number, because the mean of its divisors is an integer number (132602068930534).

Almost surely, 2^{265204137861067} is an apocalyptic number.

265204137861067 is a deficient number, since it is larger than the sum of its proper divisors (1).

265204137861067 is an equidigital number, since it uses as much as digits as its factorization.

265204137861067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20321280, while the sum is 58.

The spelling of 265204137861067 in words is "two hundred sixty-five trillion, two hundred four billion, one hundred thirty-seven million, eight hundred sixty-one thousand, sixty-seven".