21113013059 has 2 divisors, whose sum is σ = 21113013060. Its totient is φ = 21113013058.

The previous prime is 21113013037. The next prime is 21113013071. The reversal of 21113013059 is 95031031112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21113013059 - 2¹² = 21113008963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (21113013079) 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, 10556506529 + 10556506530.

It is an arithmetic number, because the mean of its divisors is an integer number (10556506530).

Almost surely, 2^21113013059 is an apocalyptic number.

21113013059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21113013059 is an equidigital number, since it uses as much as digits as its factorization.

21113013059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810, while the sum is 26.

The spelling of 21113013059 in words is "twenty-one billion, one hundred thirteen million, thirteen thousand, fifty-nine".