265135321556630 has 64 divisors (see below), whose sum is σ = 550831288671360. Its totient is φ = 90001895040000.

The previous prime is 265135321556563. The next prime is 265135321556681. The reversal of 265135321556630 is 36655123531562.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435271280 + ... + 435879980.

It is an arithmetic number, because the mean of its divisors is an integer number (8606738885490).

Almost surely, 2^{265135321556630} is an apocalyptic number.

265135321556630 is an abundant number, since it is smaller than the sum of its proper divisors (285695967114730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

265135321556630 is a wasteful number, since it uses less digits than its factorization.

265135321556630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670425.

The product of its (nonzero) digits is 14580000, while the sum is 53.

The spelling of 265135321556630 in words is "two hundred sixty-five trillion, one hundred thirty-five billion, three hundred twenty-one million, five hundred fifty-six thousand, six hundred thirty".