105521414042 has 24 divisors (see below), whose sum is σ = 179591776896. Its totient is φ = 46417041000.

The previous prime is 105521414023. The next prime is 105521414083. The reversal of 105521414042 is 240414125501.

It is a happy number.

It is a super-2 number, since 2×105521414042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105521413996 and 105521414014.

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 11 ways as a sum of consecutive naturals, for example, 7025384 + ... + 7040387.

It is an arithmetic number, because the mean of its divisors is an integer number (7482990704).

Almost surely, 2^105521414042 is an apocalyptic number.

105521414042 is a deficient number, since it is larger than the sum of its proper divisors (74070362854).

105521414042 is a wasteful number, since it uses less digits than its factorization.

105521414042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14065826 (or 14065815 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 105521414042 its reverse (240414125501), we get a palindrome (345935539543).

The spelling of 105521414042 in words is "one hundred five billion, five hundred twenty-one million, four hundred fourteen thousand, forty-two".