11243551511133 has 36 divisors (see below), whose sum is σ = 17229258050940. Its totient is φ = 7064396301312.

The previous prime is 11243551511081. The next prime is 11243551511239. The reversal of 11243551511133 is 33111515534211.

11243551511133 is a `hidden beast` number, since 1 + 1 + 2 + 4 + 3 + 5 + 5 + 1 + 511 + 133 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3724757181369 + 7518794329764 = 1929963^2 + 2742042^2 .

It is not a de Polignac number, because 11243551511133 - 2⁶ = 11243551511069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243501511133) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8338278 + ... + 9592391.

It is an arithmetic number, because the mean of its divisors is an integer number (478590501415).

Almost surely, 2^{11243551511133} is an apocalyptic number.

It is an amenable number.

11243551511133 is a deficient number, since it is larger than the sum of its proper divisors (5985706539807).

11243551511133 is a wasteful number, since it uses less digits than its factorization.

11243551511133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17930906 (or 17930884 counting only the distinct ones).

The product of its digits is 27000, while the sum is 36.

The spelling of 11243551511133 in words is "eleven trillion, two hundred forty-three billion, five hundred fifty-one million, five hundred eleven thousand, one hundred thirty-three".