1325321214550 has 24 divisors (see below), whose sum is σ = 2501889964776. Its totient is φ = 522216119040.

The previous prime is 1325321214521. The next prime is 1325321214551. The reversal of 1325321214550 is 554121235231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325321214551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197805787 + ... + 197812486.

It is an arithmetic number, because the mean of its divisors is an integer number (104245415199).

Almost surely, 2^{1325321214550} is an apocalyptic number.

1325321214550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1325321214550 is a deficient number, since it is larger than the sum of its proper divisors (1176568750226).

1325321214550 is a wasteful number, since it uses less digits than its factorization.

1325321214550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395618352 (or 395618347 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 1325321214550 its reverse (554121235231), we get a palindrome (1879442449781).

The spelling of 1325321214550 in words is "one trillion, three hundred twenty-five billion, three hundred twenty-one million, two hundred fourteen thousand, five hundred fifty".