1325321214551 has 2 divisors, whose sum is σ = 1325321214552. Its totient is φ = 1325321214550.

The previous prime is 1325321214521. The next prime is 1325321214589. The reversal of 1325321214551 is 1554121235231.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325321214551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1325321214521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662660607275 + 662660607276.

It is an arithmetic number, because the mean of its divisors is an integer number (662660607276).

Almost surely, 2^{1325321214551} is an apocalyptic number.

1325321214551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325321214551 is an equidigital number, since it uses as much as digits as its factorization.

1325321214551 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36000, while the sum is 35.

Adding to 1325321214551 its reverse (1554121235231), we get a palindrome (2879442449782).

The spelling of 1325321214551 in words is "one trillion, three hundred twenty-five billion, three hundred twenty-one million, two hundred fourteen thousand, five hundred fifty-one".