265061241252101 has 4 divisors (see below), whose sum is σ = 302927132859552. Its totient is φ = 227195349644652.

The previous prime is 265061241252091. The next prime is 265061241252151. The reversal of 265061241252101 is 101252142160562.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265061241252101 is a prime.

It is a super-4 number, since 4×265061241252101⁴ (a number of 59 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265061241252151) 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, 18932945803715 + ... + 18932945803728.

It is an arithmetic number, because the mean of its divisors is an integer number (75731783214888).

Almost surely, 2^{265061241252101} is an apocalyptic number.

It is an amenable number.

265061241252101 is a deficient number, since it is larger than the sum of its proper divisors (37865891607451).

265061241252101 is an equidigital number, since it uses as much as digits as its factorization.

265061241252101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37865891607450.

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 265061241252101 in words is "two hundred sixty-five trillion, sixty-one billion, two hundred forty-one million, two hundred fifty-two thousand, one hundred one".