11133542234541 has 4 divisors (see below), whose sum is σ = 14844722979392. Its totient is φ = 7422361489692.

The previous prime is 11133542234443. The next prime is 11133542234579. The reversal of 11133542234541 is 14543224533111.

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 not a de Polignac number, because 11133542234541 - 2⁷ = 11133542234413 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 11133542234541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133542234741) 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, 1855590372421 + ... + 1855590372426.

It is an arithmetic number, because the mean of its divisors is an integer number (3711180744848).

Almost surely, 2^{11133542234541} is an apocalyptic number.

It is an amenable number.

11133542234541 is a deficient number, since it is larger than the sum of its proper divisors (3711180744851).

11133542234541 is an equidigital number, since it uses as much as digits as its factorization.

11133542234541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711180744850.

The product of its digits is 172800, while the sum is 39.

Adding to 11133542234541 its reverse (14543224533111), we get a palindrome (25676766767652).

The spelling of 11133542234541 in words is "eleven trillion, one hundred thirty-three billion, five hundred forty-two million, two hundred thirty-four thousand, five hundred forty-one".