225603772541 has 4 divisors (see below), whose sum is σ = 257832882912. Its totient is φ = 193374662172.

The previous prime is 225603772483. The next prime is 225603772553. The reversal of 225603772541 is 145277306522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 225603772541 - 2¹⁰ = 225603771517 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225603772492 and 225603772501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225603775541) 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, 16114555175 + ... + 16114555188.

It is an arithmetic number, because the mean of its divisors is an integer number (64458220728).

Almost surely, 2^225603772541 is an apocalyptic number.

It is an amenable number.

225603772541 is a deficient number, since it is larger than the sum of its proper divisors (32229110371).

225603772541 is an equidigital number, since it uses as much as digits as its factorization.

225603772541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32229110370.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 225603772541 in words is "two hundred twenty-five billion, six hundred three million, seven hundred seventy-two thousand, five hundred forty-one".