20113251859 has 2 divisors, whose sum is σ = 20113251860. Its totient is φ = 20113251858.

The previous prime is 20113251841. The next prime is 20113251877. The reversal of 20113251859 is 95815231102.

It is a balanced prime because it is at equal distance from previous prime (20113251841) and next prime (20113251877).

It is a cyclic number.

It is not a de Polignac number, because 20113251859 - 2⁷ = 20113251731 is a prime.

It is not a weakly prime, because it can be changed into another prime (20113251359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056625929 + 10056625930.

It is an arithmetic number, because the mean of its divisors is an integer number (10056625930).

Almost surely, 2^20113251859 is an apocalyptic number.

20113251859 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113251859 is an equidigital number, since it uses as much as digits as its factorization.

20113251859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 37.

The spelling of 20113251859 in words is "twenty billion, one hundred thirteen million, two hundred fifty-one thousand, eight hundred fifty-nine".