105478196865 has 16 divisors (see below), whose sum is σ = 168787800000. Its totient is φ = 56247476672.

The previous prime is 105478196851. The next prime is 105478196869. The reversal of 105478196865 is 568691874501.

It is a cyclic number.

It is not a de Polignac number, because 105478196865 - 2⁵ = 105478196833 is a prime.

It is a super-2 number, since 2×105478196865² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105478196799 and 105478196808.

It is not an unprimeable number, because it can be changed into a prime (105478196869) 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 15 ways as a sum of consecutive naturals, for example, 356370 + ... + 581339.

It is an arithmetic number, because the mean of its divisors is an integer number (10549237500).

Almost surely, 2^105478196865 is an apocalyptic number.

105478196865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

105478196865 is a deficient number, since it is larger than the sum of its proper divisors (63309603135).

105478196865 is an equidigital number, since it uses as much as digits as its factorization.

105478196865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945216.

The product of its (nonzero) digits is 14515200, while the sum is 60.

The spelling of 105478196865 in words is "one hundred five billion, four hundred seventy-eight million, one hundred ninety-six thousand, eight hundred sixty-five".