11154504052243 has 4 divisors (see below), whose sum is σ = 11539142123040. Its totient is φ = 10769865981448.

The previous prime is 11154504052231. The next prime is 11154504052259. The reversal of 11154504052243 is 34225040545111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11154504052243 - 2⁹ = 11154504051731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11154504052283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192319035355 + ... + 192319035412.

It is an arithmetic number, because the mean of its divisors is an integer number (2884785530760).

Almost surely, 2^{11154504052243} is an apocalyptic number.

11154504052243 is a deficient number, since it is larger than the sum of its proper divisors (384638070797).

11154504052243 is an equidigital number, since it uses as much as digits as its factorization.

11154504052243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384638070796.

The product of its (nonzero) digits is 96000, while the sum is 37.

Adding to 11154504052243 its reverse (34225040545111), we get a palindrome (45379544597354).

The spelling of 11154504052243 in words is "eleven trillion, one hundred fifty-four billion, five hundred four million, fifty-two thousand, two hundred forty-three".