105551251161 has 8 divisors (see below), whose sum is σ = 140822475360. Its totient is φ = 70323763872.

The previous prime is 105551251121. The next prime is 105551251189. The reversal of 105551251161 is 161152155501.

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

It is not a de Polignac number, because 105551251161 - 2¹⁴ = 105551234777 is a prime.

It is a super-2 number, since 2×105551251161² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105551251121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10928595 + ... + 10938248.

It is an arithmetic number, because the mean of its divisors is an integer number (17602809420).

Almost surely, 2^105551251161 is an apocalyptic number.

It is an amenable number.

105551251161 is a deficient number, since it is larger than the sum of its proper divisors (35271224199).

105551251161 is a wasteful number, since it uses less digits than its factorization.

105551251161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21868455.

The product of its (nonzero) digits is 7500, while the sum is 33.

The spelling of 105551251161 in words is "one hundred five billion, five hundred fifty-one million, two hundred fifty-one thousand, one hundred sixty-one".