105554251543 has 8 divisors (see below), whose sum is σ = 114075487568. Its totient is φ = 97090398144.

The previous prime is 105554251513. The next prime is 105554251637. The reversal of 105554251543 is 345152455501.

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 105554251543 - 2⁵ = 105554251511 is a prime.

It is a super-2 number, since 2×105554251543² (a number of 23 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 = 105554251496 and 105554251505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105554251513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14341830 + ... + 14349187.

It is an arithmetic number, because the mean of its divisors is an integer number (14259435946).

Almost surely, 2^105554251543 is an apocalyptic number.

105554251543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

105554251543 is a deficient number, since it is larger than the sum of its proper divisors (8521236025).

105554251543 is a wasteful number, since it uses less digits than its factorization.

105554251543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28691313.

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 105554251543 in words is "one hundred five billion, five hundred fifty-four million, two hundred fifty-one thousand, five hundred forty-three".