105355665242 has 8 divisors (see below), whose sum is σ = 158035053216. Its totient is φ = 52677314172.

The previous prime is 105355665227. The next prime is 105355665251. The reversal of 105355665242 is 242566553501.

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

It is a super-2 number, since 2×105355665242² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105355665193 and 105355665202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87593 + ... + 467315.

It is an arithmetic number, because the mean of its divisors is an integer number (19754381652).

Almost surely, 2^105355665242 is an apocalyptic number.

105355665242 is a deficient number, since it is larger than the sum of its proper divisors (52679387974).

105355665242 is a wasteful number, since it uses less digits than its factorization.

105355665242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518452.

The product of its (nonzero) digits is 1080000, while the sum is 44.

The spelling of 105355665242 in words is "one hundred five billion, three hundred fifty-five million, six hundred sixty-five thousand, two hundred forty-two".