272201225261 has 4 divisors (see below), whose sum is σ = 311087114592. Its totient is φ = 233315335932.

The previous prime is 272201225239. The next prime is 272201225293. The reversal of 272201225261 is 162522102272.

272201225261 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 not a de Polignac number, because 272201225261 - 2³⁰ = 271127483437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272201215261) 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 3 ways as a sum of consecutive naturals, for example, 19442944655 + ... + 19442944668.

It is an arithmetic number, because the mean of its divisors is an integer number (77771778648).

Almost surely, 2^272201225261 is an apocalyptic number.

It is an amenable number.

272201225261 is a deficient number, since it is larger than the sum of its proper divisors (38885889331).

272201225261 is an equidigital number, since it uses as much as digits as its factorization.

272201225261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38885889330.

The product of its (nonzero) digits is 13440, while the sum is 32.

The spelling of 272201225261 in words is "two hundred seventy-two billion, two hundred one million, two hundred twenty-five thousand, two hundred sixty-one".