225112201505 has 4 divisors (see below), whose sum is σ = 270134641812. Its totient is φ = 180089761200.

The previous prime is 225112201487. The next prime is 225112201547. The reversal of 225112201505 is 505102211522.

It is a happy number.

225112201505 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 an emirpimes, since its reverse is a distinct semiprime: 505102211522 = 2 ⋅252551105761.

It can be written as a sum of positive squares in 2 ways, for example, as 125573844496 + 99538357009 = 354364^2 + 315497^2 .

It is not a de Polignac number, because 225112201505 - 2³⁰ = 224038459681 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 22511220146 + ... + 22511220155.

It is an arithmetic number, because the mean of its divisors is an integer number (67533660453).

Almost surely, 2^225112201505 is an apocalyptic number.

It is an amenable number.

225112201505 is a deficient number, since it is larger than the sum of its proper divisors (45022440307).

225112201505 is an equidigital number, since it uses as much as digits as its factorization.

225112201505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45022440306.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 225112201505 in words is "two hundred twenty-five billion, one hundred twelve million, two hundred one thousand, five hundred five".