225451101605 has 32 divisors (see below), whose sum is σ = 277880803200. Its totient is φ = 175535788032.

The previous prime is 225451101599. The next prime is 225451101613. The reversal of 225451101605 is 506101154522.

It is a cyclic number.

It is not a de Polignac number, because 225451101605 - 2⁶ = 225451101541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56318534 + ... + 56322536.

It is an arithmetic number, because the mean of its divisors is an integer number (8683775100).

Almost surely, 2^225451101605 is an apocalyptic number.

It is an amenable number.

225451101605 is a deficient number, since it is larger than the sum of its proper divisors (52429701595).

225451101605 is a wasteful number, since it uses less digits than its factorization.

225451101605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6053.

The product of its (nonzero) digits is 12000, while the sum is 32.

The spelling of 225451101605 in words is "two hundred twenty-five billion, four hundred fifty-one million, one hundred one thousand, six hundred five".