11843547361 has 8 divisors (see below), whose sum is σ = 11889366440. Its totient is φ = 11797809408.

The previous prime is 11843547349. The next prime is 11843547371. The reversal of 11843547361 is 16374534811.

It can be written as a sum of positive squares in 4 ways, for example, as 3347316736 + 8496230625 = 57856^2 + 92175^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11843547361 - 2⁵ = 11843547329 is a prime.

It is a super-2 number, since 2×11843547361² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11843547311) 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, 280825 + ... + 320233.

It is an arithmetic number, because the mean of its divisors is an integer number (1486170805).

Almost surely, 2^11843547361 is an apocalyptic number.

It is an amenable number.

11843547361 is a deficient number, since it is larger than the sum of its proper divisors (45819079).

11843547361 is an equidigital number, since it uses as much as digits as its factorization.

11843547361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40563.

The product of its digits is 241920, while the sum is 43.

The spelling of 11843547361 in words is "eleven billion, eight hundred forty-three million, five hundred forty-seven thousand, three hundred sixty-one".