11523054533 has 4 divisors (see below), whose sum is σ = 12024056928. Its totient is φ = 11022052140.

The previous prime is 11523054527. The next prime is 11523054539. The reversal of 11523054533 is 33545032511.

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 an interprime number because it is at equal distance from previous prime (11523054527) and next prime (11523054539).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11523054533 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 11523054533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11523054539) 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, 250501163 + ... + 250501208.

It is an arithmetic number, because the mean of its divisors is an integer number (3006014232).

Almost surely, 2^11523054533 is an apocalyptic number.

It is an amenable number.

11523054533 is a deficient number, since it is larger than the sum of its proper divisors (501002395).

11523054533 is an equidigital number, since it uses as much as digits as its factorization.

11523054533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501002394.

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 11523054533 in words is "eleven billion, five hundred twenty-three million, fifty-four thousand, five hundred thirty-three".