11885850029 has 2 divisors, whose sum is σ = 11885850030. Its totient is φ = 11885850028.

The previous prime is 11885850023. The next prime is 11885850037. The reversal of 11885850029 is 92005858811.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9894280900 + 1991569129 = 99470^2 + 44627^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11885850029 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11885850023) 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, 5942925014 + 5942925015.

It is an arithmetic number, because the mean of its divisors is an integer number (5942925015).

Almost surely, 2^11885850029 is an apocalyptic number.

It is an amenable number.

11885850029 is a deficient number, since it is larger than the sum of its proper divisors (1).

11885850029 is an equidigital number, since it uses as much as digits as its factorization.

11885850029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 47.

The spelling of 11885850029 in words is "eleven billion, eight hundred eighty-five million, eight hundred fifty thousand, twenty-nine".