225661011335 has 4 divisors (see below), whose sum is σ = 270793213608. Its totient is φ = 180528809064.

The previous prime is 225661011283. The next prime is 225661011349. The reversal of 225661011335 is 533110166522.

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 225661011335 - 2¹⁶ = 225660945799 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225661011295 and 225661011304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22566101129 + ... + 22566101138.

It is an arithmetic number, because the mean of its divisors is an integer number (67698303402).

Almost surely, 2^225661011335 is an apocalyptic number.

225661011335 is a deficient number, since it is larger than the sum of its proper divisors (45132202273).

225661011335 is an equidigital number, since it uses as much as digits as its factorization.

225661011335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45132202272.

The product of its (nonzero) digits is 32400, while the sum is 35.

Adding to 225661011335 its reverse (533110166522), we get a palindrome (758771177857).

The spelling of 225661011335 in words is "two hundred twenty-five billion, six hundred sixty-one million, eleven thousand, three hundred thirty-five".