11861736941 has 2 divisors, whose sum is σ = 11861736942. Its totient is φ = 11861736940.

The previous prime is 11861736923. The next prime is 11861736959. The reversal of 11861736941 is 14963716811.

It is a balanced prime because it is at equal distance from previous prime (11861736923) and next prime (11861736959).

It can be written as a sum of positive squares in only one way, i.e., 10959996100 + 901740841 = 104690^2 + 30029^2 .

It is an emirp because it is prime and its reverse (14963716811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11861736941 - 2¹⁰ = 11861735917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11861736041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5930868470 + 5930868471.

It is an arithmetic number, because the mean of its divisors is an integer number (5930868471).

Almost surely, 2^11861736941 is an apocalyptic number.

It is an amenable number.

11861736941 is a deficient number, since it is larger than the sum of its proper divisors (1).

11861736941 is an equidigital number, since it uses as much as digits as its factorization.

11861736941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 47.

The spelling of 11861736941 in words is "eleven billion, eight hundred sixty-one million, seven hundred thirty-six thousand, nine hundred forty-one".