105543660461 has 8 divisors (see below), whose sum is σ = 109420524864. Its totient is φ = 101728826080.

The previous prime is 105543660449. The next prime is 105543660473. The reversal of 105543660461 is 164066345501.

It is an interprime number because it is at equal distance from previous prime (105543660449) and next prime (105543660473).

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

It is not a de Polignac number, because 105543660461 - 2¹⁰ = 105543659437 is a prime.

It is a super-2 number, since 2×105543660461² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105543660491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15504041 + ... + 15510846.

It is an arithmetic number, because the mean of its divisors is an integer number (13677565608).

Almost surely, 2^105543660461 is an apocalyptic number.

It is an amenable number.

105543660461 is a deficient number, since it is larger than the sum of its proper divisors (3876864403).

105543660461 is an equidigital number, since it uses as much as digits as its factorization.

105543660461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31015011.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 105543660461 in words is "one hundred five billion, five hundred forty-three million, six hundred sixty thousand, four hundred sixty-one".