225435456511 has 2 divisors, whose sum is σ = 225435456512. Its totient is φ = 225435456510.

The previous prime is 225435456377. The next prime is 225435456539. The reversal of 225435456511 is 115654534522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225435456511 - 2²⁷ = 225301238783 is a prime.

It is a super-2 number, since 2×225435456511² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225435456581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112717728255 + 112717728256.

It is an arithmetic number, because the mean of its divisors is an integer number (112717728256).

Almost surely, 2^225435456511 is an apocalyptic number.

225435456511 is a deficient number, since it is larger than the sum of its proper divisors (1).

225435456511 is an equidigital number, since it uses as much as digits as its factorization.

225435456511 is an evil number, because the sum of its binary digits is even.

The product of its digits is 720000, while the sum is 43.

The spelling of 225435456511 in words is "two hundred twenty-five billion, four hundred thirty-five million, four hundred fifty-six thousand, five hundred eleven".