11130321533 has 4 divisors (see below), whose sum is σ = 11166576960. Its totient is φ = 11094066108.

The previous prime is 11130321491. The next prime is 11130321547. The reversal of 11130321533 is 33512303111.

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 a cyclic number.

It is not a de Polignac number, because 11130321533 - 2¹⁴ = 11130305149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11130321499 and 11130321508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11130321593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18127253 + ... + 18127866.

It is an arithmetic number, because the mean of its divisors is an integer number (2791644240).

Almost surely, 2^11130321533 is an apocalyptic number.

It is an amenable number.

11130321533 is a deficient number, since it is larger than the sum of its proper divisors (36255427).

11130321533 is an equidigital number, since it uses as much as digits as its factorization.

11130321533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36255426.

The product of its (nonzero) digits is 810, while the sum is 23.

Adding to 11130321533 its reverse (33512303111), we get a palindrome (44642624644).

The spelling of 11130321533 in words is "eleven billion, one hundred thirty million, three hundred twenty-one thousand, five hundred thirty-three".