105065816247 has 12 divisors (see below), whose sum is σ = 173441982480. Its totient is φ = 60037609248.

The previous prime is 105065816213. The next prime is 105065816299. The reversal of 105065816247 is 742618560501.

105065816247 is a `hidden beast` number, since 1 + 0 + 5 + 0 + 6 + 581 + 62 + 4 + 7 = 666.

It is not a de Polignac number, because 105065816247 - 2¹¹ = 105065814199 is a prime.

It is a super-2 number, since 2×105065816247² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105061816247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 833855622 + ... + 833855747.

It is an arithmetic number, because the mean of its divisors is an integer number (14453498540).

Almost surely, 2^105065816247 is an apocalyptic number.

105065816247 is a deficient number, since it is larger than the sum of its proper divisors (68376166233).

105065816247 is a wasteful number, since it uses less digits than its factorization.

105065816247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667711382 (or 1667711379 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 105065816247 in words is "one hundred five billion, sixty-five million, eight hundred sixteen thousand, two hundred forty-seven".