11543536361 has 8 divisors (see below), whose sum is σ = 13408885824. Its totient is φ = 9732255120.

The previous prime is 11543536343. The next prime is 11543536363. The reversal of 11543536361 is 16363534511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-11543536361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11543536363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13516595 + ... + 13517448.

It is an arithmetic number, because the mean of its divisors is an integer number (1676110728).

Almost surely, 2^11543536361 is an apocalyptic number.

It is an amenable number.

11543536361 is a deficient number, since it is larger than the sum of its proper divisors (1865349463).

11543536361 is an equidigital number, since it uses as much as digits as its factorization.

11543536361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27034111.

The product of its digits is 97200, while the sum is 38.

The spelling of 11543536361 in words is "eleven billion, five hundred forty-three million, five hundred thirty-six thousand, three hundred sixty-one".