105405412555 has 8 divisors (see below), whose sum is σ = 126820234800. Its totient is φ = 84101836896.

The previous prime is 105405412549. The next prime is 105405412577. The reversal of 105405412555 is 555214504501.

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 105405412555 - 2³ = 105405412547 is a prime.

It is a super-2 number, since 2×105405412555² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 27809560 + ... + 27813349.

It is an arithmetic number, because the mean of its divisors is an integer number (15852529350).

Almost surely, 2^105405412555 is an apocalyptic number.

105405412555 is a deficient number, since it is larger than the sum of its proper divisors (21414822245).

105405412555 is an equidigital number, since it uses as much as digits as its factorization.

105405412555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55623293.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 105405412555 in words is "one hundred five billion, four hundred five million, four hundred twelve thousand, five hundred fifty-five".