11859478529 has 2 divisors, whose sum is σ = 11859478530. Its totient is φ = 11859478528.

The previous prime is 11859478507. The next prime is 11859478627. The reversal of 11859478529 is 92587495811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11310747904 + 548730625 = 106352^2 + 23425^2 .

It is a cyclic number.

It is not a de Polignac number, because 11859478529 - 2²⁸ = 11591043073 is a prime.

It is not a weakly prime, because it can be changed into another prime (11859478129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5929739264 + 5929739265.

It is an arithmetic number, because the mean of its divisors is an integer number (5929739265).

Almost surely, 2^11859478529 is an apocalyptic number.

It is an amenable number.

11859478529 is a deficient number, since it is larger than the sum of its proper divisors (1).

11859478529 is an equidigital number, since it uses as much as digits as its factorization.

11859478529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 59.

The spelling of 11859478529 in words is "eleven billion, eight hundred fifty-nine million, four hundred seventy-eight thousand, five hundred twenty-nine".