1131411135533 has 4 divisors (see below), whose sum is σ = 1293041297760. Its totient is φ = 969780973308.

The previous prime is 1131411135529. The next prime is 1131411135611. The reversal of 1131411135533 is 3355311141311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1131411135533 - 2² = 1131411135529 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 1131411135533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131411131533) by changing a digit.

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, 80815081103 + ... + 80815081116.

It is an arithmetic number, because the mean of its divisors is an integer number (323260324440).

Almost surely, 2^{1131411135533} is an apocalyptic number.

It is an amenable number.

1131411135533 is a deficient number, since it is larger than the sum of its proper divisors (161630162227).

1131411135533 is an equidigital number, since it uses as much as digits as its factorization.

1131411135533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161630162226.

The product of its digits is 8100, while the sum is 32.

Adding to 1131411135533 its reverse (3355311141311), we get a palindrome (4486722276844).

The spelling of 1131411135533 in words is "one trillion, one hundred thirty-one billion, four hundred eleven million, one hundred thirty-five thousand, five hundred thirty-three".