105247020001543 has 8 divisors (see below), whose sum is σ = 120282378926112. Its totient is φ = 90211678665216.

The previous prime is 105247020001463. The next prime is 105247020001547. The reversal of 105247020001543 is 345100020742501.

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

It is a cyclic number.

It is not a de Polignac number, because 105247020001543 - 2⁹ = 105247020001031 is a prime.

It is a super-2 number, since 2×105247020001543² (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 = 105247020001499 and 105247020001508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105247020001547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13030671 + ... + 19501087.

It is an arithmetic number, because the mean of its divisors is an integer number (15035297365764).

Almost surely, 2^{105247020001543} is an apocalyptic number.

105247020001543 is a deficient number, since it is larger than the sum of its proper divisors (15035358924569).

105247020001543 is an equidigital number, since it uses as much as digits as its factorization.

105247020001543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8794121.

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 105247020001543 in words is "one hundred five trillion, two hundred forty-seven billion, twenty million, one thousand, five hundred forty-three".