11944561544183 has 2 divisors, whose sum is σ = 11944561544184. Its totient is φ = 11944561544182.

The previous prime is 11944561544173. The next prime is 11944561544203. The reversal of 11944561544183 is 38144516544911.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11944561544183 - 2²⁶ = 11944494435319 is a prime.

It is a super-2 number, since 2×11944561544183² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11944561544173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5972280772091 + 5972280772092.

It is an arithmetic number, because the mean of its divisors is an integer number (5972280772092).

Almost surely, 2^{11944561544183} is an apocalyptic number.

11944561544183 is a deficient number, since it is larger than the sum of its proper divisors (1).

11944561544183 is an equidigital number, since it uses as much as digits as its factorization.

11944561544183 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8294400, while the sum is 56.

The spelling of 11944561544183 in words is "eleven trillion, nine hundred forty-four billion, five hundred sixty-one million, five hundred forty-four thousand, one hundred eighty-three".