225135531499 has 2 divisors, whose sum is σ = 225135531500. Its totient is φ = 225135531498.

The previous prime is 225135531497. The next prime is 225135531541. The reversal of 225135531499 is 994135531522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225135531499 - 2¹ = 225135531497 is a prime.

Together with 225135531497, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (225135531497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112567765749 + 112567765750.

It is an arithmetic number, because the mean of its divisors is an integer number (112567765750).

Almost surely, 2^225135531499 is an apocalyptic number.

225135531499 is a deficient number, since it is larger than the sum of its proper divisors (1).

225135531499 is an equidigital number, since it uses as much as digits as its factorization.

225135531499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1458000, while the sum is 49.

The spelling of 225135531499 in words is "two hundred twenty-five billion, one hundred thirty-five million, five hundred thirty-one thousand, four hundred ninety-nine".