225724043711 has 4 divisors (see below), whose sum is σ = 235538132592. Its totient is φ = 215909954832.

The previous prime is 225724043641. The next prime is 225724043719. The reversal of 225724043711 is 117340427522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225724043711 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 (225724043719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4907044406 + ... + 4907044451.

It is an arithmetic number, because the mean of its divisors is an integer number (58884533148).

Almost surely, 2^225724043711 is an apocalyptic number.

225724043711 is a deficient number, since it is larger than the sum of its proper divisors (9814088881).

225724043711 is an equidigital number, since it uses as much as digits as its factorization.

225724043711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9814088880.

The product of its (nonzero) digits is 94080, while the sum is 38.

The spelling of 225724043711 in words is "two hundred twenty-five billion, seven hundred twenty-four million, forty-three thousand, seven hundred eleven".