1325211242555 has 8 divisors (see below), whose sum is σ = 1590811296144. Its totient is φ = 1059797124000.

The previous prime is 1325211242539. The next prime is 1325211242557. The reversal of 1325211242555 is 5552421125231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1325211242555 - 2⁴ = 1325211242539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1325211242557) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46468076 + ... + 46496585.

It is an arithmetic number, because the mean of its divisors is an integer number (198851412018).

Almost surely, 2^{1325211242555} is an apocalyptic number.

1325211242555 is a deficient number, since it is larger than the sum of its proper divisors (265600053589).

1325211242555 is an equidigital number, since it uses as much as digits as its factorization.

1325211242555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92967517.

The product of its digits is 120000, while the sum is 38.

Adding to 1325211242555 its reverse (5552421125231), we get a palindrome (6877632367786).

The spelling of 1325211242555 in words is "one trillion, three hundred twenty-five billion, two hundred eleven million, two hundred forty-two thousand, five hundred fifty-five".