105500051 has 8 divisors (see below), whose sum is σ = 107814240. Its totient is φ = 103197952.

The previous prime is 105500047. The next prime is 105500053. The reversal of 105500051 is 150005501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 105500051 - 2² = 105500047 is a prime.

It is a super-2 number, since 2×105500051² = 22260521522005202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105500053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15890 + ... + 21528.

It is an arithmetic number, because the mean of its divisors is an integer number (13476780).

Almost surely, 2^105500051 is an apocalyptic number.

105500051 is a deficient number, since it is larger than the sum of its proper divisors (2314189).

105500051 is an equidigital number, since it uses as much as digits as its factorization.

105500051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6045.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 105500051 is about 10271.3217747279. The cubic root of 105500051 is about 472.5171289853.

Adding to 105500051 its reverse (150005501), we get a palindrome (255505552).

The spelling of 105500051 in words is "one hundred five million, five hundred thousand, fifty-one".