105213255072843 has 16 divisors (see below), whose sum is σ = 140553898866176. Its totient is φ = 70007393201760.

The previous prime is 105213255072833. The next prime is 105213255072889. The reversal of 105213255072843 is 348270552312501.

It is a happy number.

It is not a de Polignac number, because 105213255072843 - 2¹⁶ = 105213255007307 is a prime.

It is a super-2 number, since 2×105213255072843² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105213255072792 and 105213255072801.

It is not an unprimeable number, because it can be changed into a prime (105213255072833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210295821 + ... + 210795537.

It is an arithmetic number, because the mean of its divisors is an integer number (8784618679136).

Almost surely, 2^{105213255072843} is an apocalyptic number.

105213255072843 is a deficient number, since it is larger than the sum of its proper divisors (35340643793333).

105213255072843 is a wasteful number, since it uses less digits than its factorization.

105213255072843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634434.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 105213255072843 in words is "one hundred five trillion, two hundred thirteen billion, two hundred fifty-five million, seventy-two thousand, eight hundred forty-three".