105551010550 has 48 divisors (see below), whose sum is σ = 197538762960. Its totient is φ = 41959640960.

The previous prime is 105551010547. The next prime is 105551010569. The reversal of 105551010550 is 55010155501.

It is a super-2 number, since 2×105551010550² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25389072 + ... + 25393228.

It is an arithmetic number, because the mean of its divisors is an integer number (4115390895).

Almost surely, 2^105551010550 is an apocalyptic number.

105551010550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105551010550 is a deficient number, since it is larger than the sum of its proper divisors (91987752410).

105551010550 is a wasteful number, since it uses less digits than its factorization.

105551010550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185 (or 7180 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 28.

The spelling of 105551010550 in words is "one hundred five billion, five hundred fifty-one million, ten thousand, five hundred fifty".