1325435440451 has 8 divisors (see below), whose sum is σ = 1326006871200. Its totient is φ = 1324864140928.

The previous prime is 1325435440409. The next prime is 1325435440517. The reversal of 1325435440451 is 1540445345231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1325435440451 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1325435440399 and 1325435440408.

It is not an unprimeable number, because it can be changed into a prime (1325435400451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23725850 + ... + 23781648.

It is an arithmetic number, because the mean of its divisors is an integer number (165750858900).

Almost surely, 2^{1325435440451} is an apocalyptic number.

1325435440451 is a deficient number, since it is larger than the sum of its proper divisors (571430749).

1325435440451 is an equidigital number, since it uses as much as digits as its factorization.

1325435440451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65613.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 1325435440451 in words is "one trillion, three hundred twenty-five billion, four hundred thirty-five million, four hundred forty thousand, four hundred fifty-one".