1325251251451 has 2 divisors, whose sum is σ = 1325251251452. Its totient is φ = 1325251251450.

The previous prime is 1325251251437. The next prime is 1325251251469. The reversal of 1325251251451 is 1541521525231.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1325251251451 - 2¹¹ = 1325251249403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1325251251451.

It is not a weakly prime, because it can be changed into another prime (1325251251431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 662625625725 + 662625625726.

It is an arithmetic number, because the mean of its divisors is an integer number (662625625726).

Almost surely, 2^{1325251251451} is an apocalyptic number.

1325251251451 is a deficient number, since it is larger than the sum of its proper divisors (1).

1325251251451 is an equidigital number, since it uses as much as digits as its factorization.

1325251251451 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60000, while the sum is 37.

Adding to 1325251251451 its reverse (1541521525231), we get a palindrome (2866772776682).

The spelling of 1325251251451 in words is "one trillion, three hundred twenty-five billion, two hundred fifty-one million, two hundred fifty-one thousand, four hundred fifty-one".