11553340220143 has 16 divisors (see below), whose sum is σ = 11867853213216. Its totient is φ = 11240932106880.

The previous prime is 11553340220113. The next prime is 11553340220153. The reversal of 11553340220143 is 34102204335511.

It is a cyclic number.

It is not a de Polignac number, because 11553340220143 - 2²⁵ = 11553306665711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11553340220099 and 11553340220108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553340220113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45385005 + ... + 45638857.

It is an arithmetic number, because the mean of its divisors is an integer number (741740825826).

Almost surely, 2^{11553340220143} is an apocalyptic number.

11553340220143 is a deficient number, since it is larger than the sum of its proper divisors (314512993073).

11553340220143 is a wasteful number, since it uses less digits than its factorization.

11553340220143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257994.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 11553340220143 its reverse (34102204335511), we get a palindrome (45655544555654).

The spelling of 11553340220143 in words is "eleven trillion, five hundred fifty-three billion, three hundred forty million, two hundred twenty thousand, one hundred forty-three".