265715598401 has 12 divisors (see below), whose sum is σ = 292357155300. Its totient is φ = 241320119040.

The previous prime is 265715598377. The next prime is 265715598493. The reversal of 265715598401 is 104895517562.

265715598401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 202212102400 + 63503496001 = 449680^2 + 251999^2 .

It is not a de Polignac number, because 265715598401 - 2²⁶ = 265648489537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (265715594401) 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 in 11 ways as a sum of consecutive naturals, for example, 966116 + ... + 1210293.

It is an arithmetic number, because the mean of its divisors is an integer number (24363096275).

Almost surely, 2^265715598401 is an apocalyptic number.

It is an amenable number.

265715598401 is a deficient number, since it is larger than the sum of its proper divisors (26641556899).

265715598401 is a wasteful number, since it uses less digits than its factorization.

265715598401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177440 (or 2177429 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 53.

The spelling of 265715598401 in words is "two hundred sixty-five billion, seven hundred fifteen million, five hundred ninety-eight thousand, four hundred one".