11543132033551 has 2 divisors, whose sum is σ = 11543132033552. Its totient is φ = 11543132033550.

The previous prime is 11543132033471. The next prime is 11543132033581. The reversal of 11543132033551 is 15533023134511.

11543132033551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (15533023134511) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11543132033551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11543132033551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11543132033581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5771566016775 + 5771566016776.

It is an arithmetic number, because the mean of its divisors is an integer number (5771566016776).

Almost surely, 2^{11543132033551} is an apocalyptic number.

11543132033551 is a deficient number, since it is larger than the sum of its proper divisors (1).

11543132033551 is an equidigital number, since it uses as much as digits as its factorization.

11543132033551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 11543132033551 in words is "eleven trillion, five hundred forty-three billion, one hundred thirty-two million, thirty-three thousand, five hundred fifty-one".