105559315850 has 24 divisors (see below), whose sum is σ = 196404175980. Its totient is φ = 42209995520.

The previous prime is 105559315747. The next prime is 105559315889. The reversal of 105559315850 is 58513955501.

It can be written as a sum of positive squares in 6 ways, for example, as 45784444729 + 59774871121 = 213973^2 + 244489^2 .

It is a super-2 number, since 2×105559315850² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105559315795 and 105559315804.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187277 + ... + 496176.

Almost surely, 2^105559315850 is an apocalyptic number.

105559315850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105559315850 is a deficient number, since it is larger than the sum of its proper divisors (90844860130).

105559315850 is a wasteful number, since it uses less digits than its factorization.

105559315850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686554 (or 686549 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 47.

The spelling of 105559315850 in words is "one hundred five billion, five hundred fifty-nine million, three hundred fifteen thousand, eight hundred fifty".