225407701561 has 8 divisors (see below), whose sum is σ = 260109858944. Its totient is φ = 191330808480.

The previous prime is 225407701523. The next prime is 225407701567. The reversal of 225407701561 is 165107704522.

225407701561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225407701561 - 2⁷ = 225407701433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225407701567) 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 7 ways as a sum of consecutive naturals, for example, 156315300 + ... + 156316741.

It is an arithmetic number, because the mean of its divisors is an integer number (32513732368).

Almost surely, 2^225407701561 is an apocalyptic number.

It is an amenable number.

225407701561 is a deficient number, since it is larger than the sum of its proper divisors (34702157383).

225407701561 is a wasteful number, since it uses less digits than its factorization.

225407701561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312632151.

The product of its (nonzero) digits is 117600, while the sum is 40.

The spelling of 225407701561 in words is "two hundred twenty-five billion, four hundred seven million, seven hundred one thousand, five hundred sixty-one".