1325544553544 has 32 divisors (see below), whose sum is σ = 2632487762520. Its totient is φ = 623574245376.

The previous prime is 1325544553511. The next prime is 1325544553573. The reversal of 1325544553544 is 4453554455231.

It can be written as a sum of positive squares in 4 ways, for example, as 1265710501444 + 59834052100 = 1125038^2 + 244610^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1325544553492 and 1325544553501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248689 + ... + 2051904.

Almost surely, 2^{1325544553544} is an apocalyptic number.

It is an amenable number.

1325544553544 is a deficient number, since it is larger than the sum of its proper divisors (1306943208976).

1325544553544 is a wasteful number, since it uses less digits than its factorization.

1325544553544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303569 (or 3303565 counting only the distinct ones).

The product of its digits is 14400000, while the sum is 50.

The spelling of 1325544553544 in words is "one trillion, three hundred twenty-five billion, five hundred forty-four million, five hundred fifty-three thousand, five hundred forty-four".