1132221555481 has 3 divisors (see below), whose sum is σ = 1132222619541. Its totient is φ = 1132220491422.

The previous prime is 1132221555389. The next prime is 1132221555539. The reversal of 1132221555481 is 1845551222311.

The square root of 1132221555481 is 1064059.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 1132221555481 - 2⁹ = 1132221554969 is a prime.

It is a super-2 number, since 2×1132221555481² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1132221555581) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 532030 + ... + 1596088.

It is an arithmetic number, because the mean of its divisors is an integer number (377407539847).

Almost surely, 2^{1132221555481} is an apocalyptic number.

1132221555481 is the 1064059-th square number.

1132221555481 is the 532030-th centered octagonal number.

It is an amenable number.

1132221555481 is a deficient number, since it is larger than the sum of its proper divisors (1064060).

1132221555481 is an frugal number, since it uses more digits than its factorization.

1132221555481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128118 (or 1064059 counting only the distinct ones).

The product of its digits is 96000, while the sum is 40.

Adding to 1132221555481 its reverse (1845551222311), we get a palindrome (2977772777792).

The spelling of 1132221555481 in words is "one trillion, one hundred thirty-two billion, two hundred twenty-one million, five hundred fifty-five thousand, four hundred eighty-one".