225143295579 has 40 divisors (see below), whose sum is σ = 337048810560. Its totient is φ = 149773042224.

The previous prime is 225143295571. The next prime is 225143295583. The reversal of 225143295579 is 975592341522.

225143295579 is a `hidden beast` number, since 2 + 2 + 5 + 1 + 43 + 29 + 5 + 579 = 666.

It is not a de Polignac number, because 225143295579 - 2³ = 225143295571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225143295571) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 142585212 + ... + 142586790.

It is an arithmetic number, because the mean of its divisors is an integer number (8426220264).

Almost surely, 2^225143295579 is an apocalyptic number.

225143295579 is a deficient number, since it is larger than the sum of its proper divisors (111905514981).

225143295579 is a wasteful number, since it uses less digits than its factorization.

225143295579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261 (or 4252 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 54.

The spelling of 225143295579 in words is "two hundred twenty-five billion, one hundred forty-three million, two hundred ninety-five thousand, five hundred seventy-nine".