105515852643 has 6 divisors (see below), whose sum is σ = 152411787164. Its totient is φ = 70343901756.

The previous prime is 105515852609. The next prime is 105515852681. The reversal of 105515852643 is 346258515501.

105515852643 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 1 + 585 + 2 + 64 + 3 = 666.

It is not a de Polignac number, because 105515852643 - 2¹³ = 105515844451 is a prime.

It is a super-2 number, since 2×105515852643² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105515852443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5861991805 + ... + 5861991822.

Almost surely, 2^105515852643 is an apocalyptic number.

105515852643 is a deficient number, since it is larger than the sum of its proper divisors (46895934521).

105515852643 is a wasteful number, since it uses less digits than its factorization.

105515852643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11723983633 (or 11723983630 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 105515852643 in words is "one hundred five billion, five hundred fifteen million, eight hundred fifty-two thousand, six hundred forty-three".