18059608145765 has 8 divisors (see below), whose sum is σ = 22080426563448. Its totient is φ = 14175088657600.

The previous prime is 18059608145729. The next prime is 18059608145893. The reversal of 18059608145765 is 56754180695081.

It can be written as a sum of positive squares in 4 ways, for example, as 3896857610116 + 14162750535649 = 1974046^2 + 3763343^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18059608145765 - 2¹² = 18059608141669 is a prime.

It is a super-2 number, since 2×18059608145765² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 34074732086 + ... + 34074732615.

It is an arithmetic number, because the mean of its divisors is an integer number (2760053320431).

Almost surely, 2^{18059608145765} is an apocalyptic number.

It is an amenable number.

18059608145765 is a deficient number, since it is larger than the sum of its proper divisors (4020818417683).

18059608145765 is an equidigital number, since it uses as much as digits as its factorization.

18059608145765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68149464759.

The product of its (nonzero) digits is 72576000, while the sum is 65.

The spelling of 18059608145765 in words is "eighteen trillion, fifty-nine billion, six hundred eight million, one hundred forty-five thousand, seven hundred sixty-five".