105551051050 has 24 divisors (see below), whose sum is σ = 196348075776. Its totient is φ = 42215448240.

The previous prime is 105551051027. The next prime is 105551051051. The reversal of 105551051050 is 50150155501.

It is a super-2 number, since 2×105551051050² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105551051051) 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 11 ways as a sum of consecutive naturals, for example, 320247 + ... + 560053.

It is an arithmetic number, because the mean of its divisors is an integer number (8181169824).

Almost surely, 2^105551051050 is an apocalyptic number.

105551051050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105551051050 is a deficient number, since it is larger than the sum of its proper divisors (90797024726).

105551051050 is a wasteful number, since it uses less digits than its factorization.

105551051050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248622 (or 248617 counting only the distinct ones).

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

The spelling of 105551051050 in words is "one hundred five billion, five hundred fifty-one million, fifty-one thousand, fifty".