18059005057 has 2 divisors, whose sum is σ = 18059005058. Its totient is φ = 18059005056.

The previous prime is 18059005007. The next prime is 18059005067. The reversal of 18059005057 is 75050095081.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15279184881 + 2779820176 = 123609^2 + 52724^2 .

It is a cyclic number.

It is not a de Polignac number, because 18059005057 - 2²³ = 18050616449 is a prime.

It is a super-2 number, since 2×18059005057² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18059005007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9029502528 + 9029502529.

It is an arithmetic number, because the mean of its divisors is an integer number (9029502529).

Almost surely, 2^18059005057 is an apocalyptic number.

It is an amenable number.

18059005057 is a deficient number, since it is larger than the sum of its proper divisors (1).

18059005057 is an equidigital number, since it uses as much as digits as its factorization.

18059005057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 63000, while the sum is 40.

The spelling of 18059005057 in words is "eighteen billion, fifty-nine million, five thousand, fifty-seven".