1053168818365 has 4 divisors (see below), whose sum is σ = 1263802582044. Its totient is φ = 842535054688.

The previous prime is 1053168818327. The next prime is 1053168818413. The reversal of 1053168818365 is 5638188613501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 337564486009 + 715604332356 = 581003^2 + 845934^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053168818365 - 2³¹ = 1051021334717 is a prime.

It is a super-2 number, since 2×1053168818365² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105316881832 + ... + 105316881841.

It is an arithmetic number, because the mean of its divisors is an integer number (315950645511).

Almost surely, 2^{1053168818365} is an apocalyptic number.

It is an amenable number.

1053168818365 is a deficient number, since it is larger than the sum of its proper divisors (210633763679).

1053168818365 is an equidigital number, since it uses as much as digits as its factorization.

1053168818365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210633763678.

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 1053168818365 in words is "one trillion, fifty-three billion, one hundred sixty-eight million, eight hundred eighteen thousand, three hundred sixty-five".