11543053141 has 4 divisors (see below), whose sum is σ = 11543638284. Its totient is φ = 11542468000.

The previous prime is 11543053127. The next prime is 11543053153. The reversal of 11543053141 is 14135034511.

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 4395027025 + 7148026116 = 66295^2 + 84546^2 .

It is a cyclic number.

It is not a de Polignac number, because 11543053141 - 2⁷ = 11543053013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11543056141) 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, 261910 + ... + 302791.

It is an arithmetic number, because the mean of its divisors is an integer number (2885909571).

Almost surely, 2^11543053141 is an apocalyptic number.

It is an amenable number.

11543053141 is a deficient number, since it is larger than the sum of its proper divisors (585143).

11543053141 is an equidigital number, since it uses as much as digits as its factorization.

11543053141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585142.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 11543053141 its reverse (14135034511), we get a palindrome (25678087652).

The spelling of 11543053141 in words is "eleven billion, five hundred forty-three million, fifty-three thousand, one hundred forty-one".