105504131015543 has 8 divisors (see below), whose sum is σ = 114988747057968. Its totient is φ = 96215074066944.

The previous prime is 105504131015509. The next prime is 105504131015557. The reversal of 105504131015543 is 345510131405501.

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 105504131015543 - 2¹⁶ = 105504130950007 is a prime.

It is a super-2 number, since 2×105504131015543² (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 = 105504131015497 and 105504131015506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105504131015743) 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, 48889772330 + ... + 48889774487.

It is an arithmetic number, because the mean of its divisors is an integer number (14373593382246).

Almost surely, 2^{105504131015543} is an apocalyptic number.

105504131015543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105504131015543 is a deficient number, since it is larger than the sum of its proper divisors (9484616042425).

105504131015543 is an equidigital number, since it uses as much as digits as its factorization.

105504131015543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97779546913.

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 105504131015543 in words is "one hundred five trillion, five hundred four billion, one hundred thirty-one million, fifteen thousand, five hundred forty-three".