11543003147 has 4 divisors (see below), whose sum is σ = 12430926480. Its totient is φ = 10655079816.

The previous prime is 11543003041. The next prime is 11543003149. The reversal of 11543003147 is 74130034511.

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 11543003147 - 2¹² = 11542999051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11543003149) 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, 443961647 + ... + 443961672.

It is an arithmetic number, because the mean of its divisors is an integer number (3107731620).

Almost surely, 2^11543003147 is an apocalyptic number.

11543003147 is a deficient number, since it is larger than the sum of its proper divisors (887923333).

11543003147 is an equidigital number, since it uses as much as digits as its factorization.

11543003147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887923332.

The product of its (nonzero) digits is 5040, while the sum is 29.

Adding to 11543003147 its reverse (74130034511), we get a palindrome (85673037658).

The spelling of 11543003147 in words is "eleven billion, five hundred forty-three million, three thousand, one hundred forty-seven".