1325401513220 has 24 divisors (see below), whose sum is σ = 2929834924800. Its totient is φ = 502257415392.

The previous prime is 1325401513217. The next prime is 1325401513231. The reversal of 1325401513220 is 223151045231.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1743948980 + ... + 1743949739.

It is an arithmetic number, because the mean of its divisors is an integer number (122076455200).

Almost surely, 2^{1325401513220} is an apocalyptic number.

1325401513220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1325401513220 is an abundant number, since it is smaller than the sum of its proper divisors (1604433411580).

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

1325401513220 is a wasteful number, since it uses less digits than its factorization.

1325401513220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3487898747 (or 3487898745 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 1325401513220 its reverse (223151045231), we get a palindrome (1548552558451).

The spelling of 1325401513220 in words is "one trillion, three hundred twenty-five billion, four hundred one million, five hundred thirteen thousand, two hundred twenty".