11543034533 has 2 divisors, whose sum is σ = 11543034534. Its totient is φ = 11543034532.

The previous prime is 11543034523. The next prime is 11543034563. The reversal of 11543034533 is 33543034511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7481904004 + 4061130529 = 86498^2 + 63727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11543034533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11543034533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11543034523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771517266 + 5771517267.

It is an arithmetic number, because the mean of its divisors is an integer number (5771517267).

Almost surely, 2^11543034533 is an apocalyptic number.

It is an amenable number.

11543034533 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543034533 is an equidigital number, since it uses as much as digits as its factorization.

11543034533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 11543034533 in words is "eleven billion, five hundred forty-three million, thirty-four thousand, five hundred thirty-three".