225012416081 has 2 divisors, whose sum is σ = 225012416082. Its totient is φ = 225012416080.

The previous prime is 225012416071. The next prime is 225012416159. The reversal of 225012416081 is 180614210522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 196302163600 + 28710252481 = 443060^2 + 169441^2 .

It is a cyclic number.

It is not a de Polignac number, because 225012416081 - 2³⁰ = 223938674257 is a prime.

It is a super-2 number, since 2×225012416081² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225012416021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112506208040 + 112506208041.

It is an arithmetic number, because the mean of its divisors is an integer number (112506208041).

Almost surely, 2^225012416081 is an apocalyptic number.

It is an amenable number.

225012416081 is a deficient number, since it is larger than the sum of its proper divisors (1).

225012416081 is an equidigital number, since it uses as much as digits as its factorization.

225012416081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 225012416081 in words is "two hundred twenty-five billion, twelve million, four hundred sixteen thousand, eighty-one".