1131320253355 has 4 divisors (see below), whose sum is σ = 1357584304032. Its totient is φ = 905056202680.

The previous prime is 1131320253347. The next prime is 1131320253373. The reversal of 1131320253355 is 5533520231311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1131320253355 - 2³ = 1131320253347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1131320253355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113132025331 + ... + 113132025340.

It is an arithmetic number, because the mean of its divisors is an integer number (339396076008).

Almost surely, 2^{1131320253355} is an apocalyptic number.

1131320253355 is a deficient number, since it is larger than the sum of its proper divisors (226264050677).

1131320253355 is an equidigital number, since it uses as much as digits as its factorization.

1131320253355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226264050676.

The product of its (nonzero) digits is 40500, while the sum is 34.

Adding to 1131320253355 its reverse (5533520231311), we get a palindrome (6664840484666).

The spelling of 1131320253355 in words is "one trillion, one hundred thirty-one billion, three hundred twenty million, two hundred fifty-three thousand, three hundred fifty-five".