105055206678 has 12 divisors (see below), whose sum is σ = 227619614508. Its totient is φ = 35018402220.

The previous prime is 105055206671. The next prime is 105055206691. The reversal of 105055206678 is 876602550501.

105055206678 is a `hidden beast` number, since 1 + 0 + 50 + 5 + 520 + 6 + 6 + 78 = 666.

It is a super-2 number, since 2×105055206678² (a number of 23 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105055206671) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2918200168 + ... + 2918200203.

It is an arithmetic number, because the mean of its divisors is an integer number (18968301209).

Almost surely, 2^105055206678 is an apocalyptic number.

105055206678 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

105055206678 is an abundant number, since it is smaller than the sum of its proper divisors (122564407830).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105055206678 is a wasteful number, since it uses less digits than its factorization.

105055206678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5836400379 (or 5836400376 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 105055206678 in words is "one hundred five billion, fifty-five million, two hundred six thousand, six hundred seventy-eight".