225570656540951 has 4 divisors (see below), whose sum is σ = 225571051568472. Its totient is φ = 225570261513432.

The previous prime is 225570656540941. The next prime is 225570656540959. The reversal of 225570656540951 is 159045656075522.

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

It is a cyclic number.

It is not a de Polignac number, because 225570656540951 - 2¹⁰ = 225570656539927 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 (225570656540959) 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, 196655981 + ... + 197799686.

It is an arithmetic number, because the mean of its divisors is an integer number (56392762892118).

Almost surely, 2^{225570656540951} is an apocalyptic number.

225570656540951 is a deficient number, since it is larger than the sum of its proper divisors (395027521).

225570656540951 is an equidigital number, since it uses as much as digits as its factorization.

225570656540951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395027520.

The product of its (nonzero) digits is 113400000, while the sum is 62.

The spelling of 225570656540951 in words is "two hundred twenty-five trillion, five hundred seventy billion, six hundred fifty-six million, five hundred forty thousand, nine hundred fifty-one".