5231225116561 has 8 divisors (see below), whose sum is σ = 5254269471360. Its totient is φ = 5208190398768.

The previous prime is 5231225116529. The next prime is 5231225116571. The reversal of 5231225116561 is 1656115221325.

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 5231225116561 - 2⁵ = 5231225116529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5231225116571) 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, 1320126 + ... + 3493591.

It is an arithmetic number, because the mean of its divisors is an integer number (656783683920).

Almost surely, 2^{5231225116561} is an apocalyptic number.

It is an amenable number.

5231225116561 is a deficient number, since it is larger than the sum of its proper divisors (23044354799).

5231225116561 is a wasteful number, since it uses less digits than its factorization.

5231225116561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4818503.

The product of its digits is 108000, while the sum is 40.

The spelling of 5231225116561 in words is "five trillion, two hundred thirty-one billion, two hundred twenty-five million, one hundred sixteen thousand, five hundred sixty-one".