105554110246209 has 9 divisors (see below), whose sum is σ = 152467092653889. Its totient is φ = 70369386282900.

The previous prime is 105554110246201. The next prime is 105554110246223. The reversal of 105554110246209 is 902642011455501.

The square root of 105554110246209 is 10273953.

It is a perfect power (a square), and thus also a powerful number.

105554110246209 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 5 + 4 + 1 + 10 + 2 + 4 + 620 + 9 = 666.

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 105554110246209 - 2³ = 105554110246201 is a prime.

It is a super-2 number, since 2×105554110246209² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105554110246201) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29109534 + ... + 32534184.

Almost surely, 2^{105554110246209} is an apocalyptic number.

105554110246209 is the 10273953-rd square number.

105554110246209 is the 5136977-th centered octagonal number.

It is an amenable number.

105554110246209 is a deficient number, since it is larger than the sum of its proper divisors (46912982407680).

105554110246209 is an frugal number, since it uses more digits than its factorization.

105554110246209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849308 (or 3424654 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 45.

The spelling of 105554110246209 in words is "one hundred five trillion, five hundred fifty-four billion, one hundred ten million, two hundred forty-six thousand, two hundred nine".