1325535336646 has 16 divisors (see below), whose sum is σ = 2020958328960. Its totient is φ = 651883207680.

The previous prime is 1325535336589. The next prime is 1325535336647. The reversal of 1325535336646 is 6466335355231.

It is a junction number, because it is equal to n+sod(n) for n = 1325535336593 and 1325535336602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325535336647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4498950 + ... + 4784518.

It is an arithmetic number, because the mean of its divisors is an integer number (126309895560).

Almost surely, 2^{1325535336646} is an apocalyptic number.

1325535336646 is a deficient number, since it is larger than the sum of its proper divisors (695422992314).

1325535336646 is a wasteful number, since it uses less digits than its factorization.

1325535336646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323679.

The product of its digits is 17496000, while the sum is 52.

The spelling of 1325535336646 in words is "one trillion, three hundred twenty-five billion, five hundred thirty-five million, three hundred thirty-six thousand, six hundred forty-six".