1325434244520 has 128 divisors (see below), whose sum is σ = 4202259264000. Its totient is φ = 333512352000.

The previous prime is 1325434244507. The next prime is 1325434244531. The reversal of 1325434244520 is 254424345231.

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 31 ways as a sum of consecutive naturals, for example, 585750 + ... + 1730309.

It is an arithmetic number, because the mean of its divisors is an integer number (32830150500).

Almost surely, 2^{1325434244520} is an apocalyptic number.

1325434244520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325434244520 is an abundant number, since it is smaller than the sum of its proper divisors (2876825019480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1325434244520 is a wasteful number, since it uses less digits than its factorization.

1325434244520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316343 (or 2316339 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

Adding to 1325434244520 its reverse (254424345231), we get a palindrome (1579858589751).

The spelling of 1325434244520 in words is "one trillion, three hundred twenty-five billion, four hundred thirty-four million, two hundred forty-four thousand, five hundred twenty".