21623522201159 has 2 divisors, whose sum is σ = 21623522201160. Its totient is φ = 21623522201158.

The previous prime is 21623522201087. The next prime is 21623522201219. The reversal of 21623522201159 is 95110222532612.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21623522201159 - 2¹² = 21623522197063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21623522231159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10811761100579 + 10811761100580.

It is an arithmetic number, because the mean of its divisors is an integer number (10811761100580).

Almost surely, 2^{21623522201159} is an apocalyptic number.

21623522201159 is a deficient number, since it is larger than the sum of its proper divisors (1).

21623522201159 is an equidigital number, since it uses as much as digits as its factorization.

21623522201159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 21623522201159 in words is "twenty-one trillion, six hundred twenty-three billion, five hundred twenty-two million, two hundred one thousand, one hundred fifty-nine".