20113515018059 has 2 divisors, whose sum is σ = 20113515018060. Its totient is φ = 20113515018058.

The previous prime is 20113515018043. The next prime is 20113515018067. The reversal of 20113515018059 is 95081051531102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20113515018059 - 2⁴ = 20113515018043 is a prime.

It is a super-2 number, since 2×20113515018059² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (20113515018089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056757509029 + 10056757509030.

It is an arithmetic number, because the mean of its divisors is an integer number (10056757509030).

Almost surely, 2^{20113515018059} is an apocalyptic number.

20113515018059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113515018059 is an equidigital number, since it uses as much as digits as its factorization.

20113515018059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 41.

The spelling of 20113515018059 in words is "twenty trillion, one hundred thirteen billion, five hundred fifteen million, eighteen thousand, fifty-nine".