105052550251 has 4 divisors (see below), whose sum is σ = 114602782104. Its totient is φ = 95502318400.

The previous prime is 105052550227. The next prime is 105052550261. The reversal of 105052550251 is 152055250501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 105052550251 - 2⁵ = 105052550219 is a prime.

It is a super-2 number, since 2×105052550251² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105052550201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4775115910 + ... + 4775115931.

It is an arithmetic number, because the mean of its divisors is an integer number (28650695526).

Almost surely, 2^105052550251 is an apocalyptic number.

105052550251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105052550251 is a deficient number, since it is larger than the sum of its proper divisors (9550231853).

105052550251 is an equidigital number, since it uses as much as digits as its factorization.

105052550251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9550231852.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 105052550251 in words is "one hundred five billion, fifty-two million, five hundred fifty thousand, two hundred fifty-one".