14156778105 has 16 divisors (see below), whose sum is σ = 25167605760. Its totient is φ = 7550281584.

The previous prime is 14156778079. The next prime is 14156778121. The reversal of 14156778105 is 50187765141.

14156778105 is a `hidden beast` number, since 1 + 4 + 1 + 567 + 7 + 81 + 0 + 5 = 666.

It is not a de Polignac number, because 14156778105 - 2⁵ = 14156778073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52432377 + ... + 52432646.

It is an arithmetic number, because the mean of its divisors is an integer number (1572975360).

Almost surely, 2^14156778105 is an apocalyptic number.

14156778105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14156778105 is a deficient number, since it is larger than the sum of its proper divisors (11010827655).

14156778105 is a wasteful number, since it uses less digits than its factorization.

14156778105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104865037 (or 104865031 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 45.

The spelling of 14156778105 in words is "fourteen billion, one hundred fifty-six million, seven hundred seventy-eight thousand, one hundred five".