265141342301161 has 4 divisors (see below), whose sum is σ = 265450725431892. Its totient is φ = 264831959170432.

The previous prime is 265141342301153. The next prime is 265141342301189. The reversal of 265141342301161 is 161103243141562.

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 119803007047936 + 145338335253225 = 10945456^2 + 12055635^2 .

It is a cyclic number.

It is not a de Polignac number, because 265141342301161 - 2³ = 265141342301153 is a prime.

It is a super-2 number, since 2×265141342301161² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265141342701161) 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, 154691564080 + ... + 154691565793.

It is an arithmetic number, because the mean of its divisors is an integer number (66362681357973).

Almost surely, 2^{265141342301161} is an apocalyptic number.

It is an amenable number.

265141342301161 is a deficient number, since it is larger than the sum of its proper divisors (309383130731).

265141342301161 is an equidigital number, since it uses as much as digits as its factorization.

265141342301161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309383130730.

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 265141342301161 in words is "two hundred sixty-five trillion, one hundred forty-one billion, three hundred forty-two million, three hundred one thousand, one hundred sixty-one".