105633042506 has 8 divisors (see below), whose sum is σ = 159512984100. Its totient is φ = 52462047808.

The previous prime is 105633042499. The next prime is 105633042547. The reversal of 105633042506 is 605240336501.

It can be written as a sum of positive squares in 2 ways, for example, as 103099430281 + 2533612225 = 321091^2 + 50335^2 .

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

It is a super-2 number, since 2×105633042506² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177236351 + ... + 177236946.

Almost surely, 2^105633042506 is an apocalyptic number.

105633042506 is a deficient number, since it is larger than the sum of its proper divisors (53879941594).

105633042506 is a wasteful number, since it uses less digits than its factorization.

105633042506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354473448.

The product of its (nonzero) digits is 64800, while the sum is 35.

The spelling of 105633042506 in words is "one hundred five billion, six hundred thirty-three million, forty-two thousand, five hundred six".