11848661441 has 4 divisors (see below), whose sum is σ = 12168895572. Its totient is φ = 11528427312.

The previous prime is 11848661423. The next prime is 11848661471. The reversal of 11848661441 is 14416684811.

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 9511905841 + 2336755600 = 97529^2 + 48340^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11848661441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11848661392 and 11848661401.

It is not an unprimeable number, because it can be changed into a prime (11848661471) 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, 160117010 + ... + 160117083.

It is an arithmetic number, because the mean of its divisors is an integer number (3042223893).

Almost surely, 2^11848661441 is an apocalyptic number.

It is an amenable number.

11848661441 is a deficient number, since it is larger than the sum of its proper divisors (320234131).

11848661441 is an equidigital number, since it uses as much as digits as its factorization.

11848661441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320234130.

The product of its digits is 147456, while the sum is 44.

The spelling of 11848661441 in words is "eleven billion, eight hundred forty-eight million, six hundred sixty-one thousand, four hundred forty-one".