265235312403601 has 4 divisors (see below), whose sum is σ = 273791290223104. Its totient is φ = 256679334584100.

The previous prime is 265235312403599. The next prime is 265235312403767. The reversal of 265235312403601 is 106304213532562.

265235312403601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 265235312403601 - 2¹ = 265235312403599 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265235312403101) 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, 4277988909705 + ... + 4277988909766.

It is an arithmetic number, because the mean of its divisors is an integer number (68447822555776).

Almost surely, 2^{265235312403601} is an apocalyptic number.

It is an amenable number.

265235312403601 is a deficient number, since it is larger than the sum of its proper divisors (8555977819503).

265235312403601 is an equidigital number, since it uses as much as digits as its factorization.

265235312403601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8555977819502.

The product of its (nonzero) digits is 777600, while the sum is 43.

The spelling of 265235312403601 in words is "two hundred sixty-five trillion, two hundred thirty-five billion, three hundred twelve million, four hundred three thousand, six hundred one".