105455412505 has 16 divisors (see below), whose sum is σ = 132065406720. Its totient is φ = 80685994048.

The previous prime is 105455412499. The next prime is 105455412539. The reversal of 105455412505 is 505214554501.

105455412505 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105455412505 is a prime.

It is a super-2 number, since 2×105455412505² (a number of 23 digits) contains 22 as substring.

105455412505 is strictly pandigital in base 11.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 914211 + ... + 1023079.

It is an arithmetic number, because the mean of its divisors is an integer number (8254087920).

Almost surely, 2^105455412505 is an apocalyptic number.

It is an amenable number.

105455412505 is a deficient number, since it is larger than the sum of its proper divisors (26609994215).

105455412505 is a wasteful number, since it uses less digits than its factorization.

105455412505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117320.

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

The spelling of 105455412505 in words is "one hundred five billion, four hundred fifty-five million, four hundred twelve thousand, five hundred five".