1325442221511 has 8 divisors (see below), whose sum is σ = 1773012831744. Its totient is φ = 880749879480.

The previous prime is 1325442221489. The next prime is 1325442221527. The reversal of 1325442221511 is 1151222445231.

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

It is not a de Polignac number, because 1325442221511 - 2⁶ = 1325442221447 is a prime.

It is a super-2 number, since 2×1325442221511² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325442221531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 719565975 + ... + 719567816.

It is an arithmetic number, because the mean of its divisors is an integer number (221626603968).

Almost surely, 2^{1325442221511} is an apocalyptic number.

1325442221511 is a deficient number, since it is larger than the sum of its proper divisors (447570610233).

1325442221511 is a wasteful number, since it uses less digits than its factorization.

1325442221511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1439134101.

The product of its digits is 19200, while the sum is 33.

Adding to 1325442221511 its reverse (1151222445231), we get a palindrome (2476664666742).

The spelling of 1325442221511 in words is "one trillion, three hundred twenty-five billion, four hundred forty-two million, two hundred twenty-one thousand, five hundred eleven".