225505052011 has 8 divisors (see below), whose sum is σ = 227803739904. Its totient is φ = 223208466600.

The previous prime is 225505051951. The next prime is 225505052021. The reversal of 225505052011 is 110250505522.

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

It is a cyclic number.

It is not a de Polignac number, because 225505052011 - 2³¹ = 223357568363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225505052021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309565 + ... + 739486.

It is an arithmetic number, because the mean of its divisors is an integer number (28475467488).

Almost surely, 2^225505052011 is an apocalyptic number.

225505052011 is a deficient number, since it is larger than the sum of its proper divisors (2298687893).

225505052011 is a wasteful number, since it uses less digits than its factorization.

225505052011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051241.

The product of its (nonzero) digits is 5000, while the sum is 28.

Adding to 225505052011 its reverse (110250505522), we get a palindrome (335755557533).

The spelling of 225505052011 in words is "two hundred twenty-five billion, five hundred five million, fifty-two thousand, eleven".