21011180059 has 2 divisors, whose sum is σ = 21011180060. Its totient is φ = 21011180058.

The previous prime is 21011180033. The next prime is 21011180081. The reversal of 21011180059 is 95008111012.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21011180059 - 2¹⁵ = 21011147291 is a prime.

It is not a weakly prime, because it can be changed into another prime (21011180009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10505590029 + 10505590030.

It is an arithmetic number, because the mean of its divisors is an integer number (10505590030).

Almost surely, 2^21011180059 is an apocalyptic number.

21011180059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21011180059 is an equidigital number, since it uses as much as digits as its factorization.

21011180059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 28.

The spelling of 21011180059 in words is "twenty-one billion, eleven million, one hundred eighty thousand, fifty-nine".