11142543054353 has 4 divisors (see below), whose sum is σ = 11144727443508. Its totient is φ = 11140358665200.

The previous prime is 11142543054337. The next prime is 11142543054463. The reversal of 11142543054353 is 35345034524111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4823066037904 + 6319477016449 = 2196148^2 + 2513857^2 .

It is a cyclic number.

It is not a de Polignac number, because 11142543054353 - 2⁴ = 11142543054337 is a prime.

It is a super-2 number, since 2×11142543054353² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11142543054353.

It is not an unprimeable number, because it can be changed into a prime (11142543054553) 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, 1092186926 + ... + 1092197127.

It is an arithmetic number, because the mean of its divisors is an integer number (2786181860877).

Almost surely, 2^{11142543054353} is an apocalyptic number.

It is an amenable number.

11142543054353 is a deficient number, since it is larger than the sum of its proper divisors (2184389155).

11142543054353 is an equidigital number, since it uses as much as digits as its factorization.

11142543054353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184389154.

The product of its (nonzero) digits is 432000, while the sum is 41.

Adding to 11142543054353 its reverse (35345034524111), we get a palindrome (46487577578464).

The spelling of 11142543054353 in words is "eleven trillion, one hundred forty-two billion, five hundred forty-three million, fifty-four thousand, three hundred fifty-three".