265201520555253 has 16 divisors (see below), whose sum is σ = 353811875819840. Its totient is φ = 176696092185984.

The previous prime is 265201520555249. The next prime is 265201520555329. The reversal of 265201520555253 is 352555025102562.

It is not a de Polignac number, because 265201520555253 - 2² = 265201520555249 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265201520555053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455061513 + ... + 455643921.

It is an arithmetic number, because the mean of its divisors is an integer number (22113242238740).

Almost surely, 2^{265201520555253} is an apocalyptic number.

It is an amenable number.

265201520555253 is a deficient number, since it is larger than the sum of its proper divisors (88610355264587).

265201520555253 is a wasteful number, since it uses less digits than its factorization.

265201520555253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672228.

The product of its (nonzero) digits is 4500000, while the sum is 48.

The spelling of 265201520555253 in words is "two hundred sixty-five trillion, two hundred one billion, five hundred twenty million, five hundred fifty-five thousand, two hundred fifty-three".