20858614560001 has 2 divisors, whose sum is σ = 20858614560002. Its totient is φ = 20858614560000.

The previous prime is 20858614559947. The next prime is 20858614560029. The reversal of 20858614560001 is 10006541685802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18443073811600 + 2415540748401 = 4294540^2 + 1554201^2 .

It is a cyclic number.

It is not a de Polignac number, because 20858614560001 - 2⁷ = 20858614559873 is a prime.

It is not a weakly prime, because it can be changed into another prime (20858614560041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10429307280000 + 10429307280001.

It is an arithmetic number, because the mean of its divisors is an integer number (10429307280001).

Almost surely, 2^{20858614560001} is an apocalyptic number.

It is an amenable number.

20858614560001 is a deficient number, since it is larger than the sum of its proper divisors (1).

20858614560001 is an equidigital number, since it uses as much as digits as its factorization.

20858614560001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 20858614560001 in words is "twenty trillion, eight hundred fifty-eight billion, six hundred fourteen million, five hundred sixty thousand, one".