11321130552533 has 16 divisors (see below), whose sum is σ = 11933464181760. Its totient is φ = 10729880371056.

The previous prime is 11321130552517. The next prime is 11321130552617. The reversal of 11321130552533 is 33525503112311.

It is a cyclic number.

It is not a de Polignac number, because 11321130552533 - 2⁴ = 11321130552517 is a prime.

It is a super-2 number, since 2×11321130552533² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321130552493 and 11321130552502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321130557533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30281591 + ... + 30653172.

It is an arithmetic number, because the mean of its divisors is an integer number (745841511360).

Almost surely, 2^{11321130552533} is an apocalyptic number.

It is an amenable number.

11321130552533 is a deficient number, since it is larger than the sum of its proper divisors (612333629227).

11321130552533 is an equidigital number, since it uses as much as digits as its factorization.

11321130552533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60934936.

The product of its (nonzero) digits is 40500, while the sum is 35.

Adding to 11321130552533 its reverse (33525503112311), we get a palindrome (44846633664844).

The spelling of 11321130552533 in words is "eleven trillion, three hundred twenty-one billion, one hundred thirty million, five hundred fifty-two thousand, five hundred thirty-three".