21213611546059 has 2 divisors, whose sum is σ = 21213611546060. Its totient is φ = 21213611546058.

The previous prime is 21213611546051. The next prime is 21213611546069. The reversal of 21213611546059 is 95064511631212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21213611546059 - 2³ = 21213611546051 is a prime.

It is not a weakly prime, because it can be changed into another prime (21213611546051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10606805773029 + 10606805773030.

It is an arithmetic number, because the mean of its divisors is an integer number (10606805773030).

Almost surely, 2^{21213611546059} is an apocalyptic number.

21213611546059 is a deficient number, since it is larger than the sum of its proper divisors (1).

21213611546059 is an equidigital number, since it uses as much as digits as its factorization.

21213611546059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 21213611546059 in words is "twenty-one trillion, two hundred thirteen billion, six hundred eleven million, five hundred forty-six thousand, fifty-nine".