225151215451 has 2 divisors, whose sum is σ = 225151215452. Its totient is φ = 225151215450.

The previous prime is 225151215413. The next prime is 225151215461. The reversal of 225151215451 is 154512151522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225151215451 is a prime.

It is a super-2 number, since 2×225151215451² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225151215461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112575607725 + 112575607726.

It is an arithmetic number, because the mean of its divisors is an integer number (112575607726).

Almost surely, 2^225151215451 is an apocalyptic number.

225151215451 is a deficient number, since it is larger than the sum of its proper divisors (1).

225151215451 is an equidigital number, since it uses as much as digits as its factorization.

225151215451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20000, while the sum is 34.

Adding to 225151215451 its reverse (154512151522), we get a palindrome (379663366973).

The spelling of 225151215451 in words is "two hundred twenty-five billion, one hundred fifty-one million, two hundred fifteen thousand, four hundred fifty-one".