11533544135383 has 2 divisors, whose sum is σ = 11533544135384. Its totient is φ = 11533544135382.

The previous prime is 11533544135303. The next prime is 11533544135411. The reversal of 11533544135383 is 38353144533511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11533544135383 - 2²¹ = 11533542038231 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11533544135303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5766772067691 + 5766772067692.

It is an arithmetic number, because the mean of its divisors is an integer number (5766772067692).

Almost surely, 2^{11533544135383} is an apocalyptic number.

11533544135383 is a deficient number, since it is larger than the sum of its proper divisors (1).

11533544135383 is an equidigital number, since it uses as much as digits as its factorization.

11533544135383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888000, while the sum is 49.

Adding to 11533544135383 its reverse (38353144533511), we get a palindrome (49886688668894).

The spelling of 11533544135383 in words is "eleven trillion, five hundred thirty-three billion, five hundred forty-four million, one hundred thirty-five thousand, three hundred eighty-three".