105969659042 has 32 divisors (see below), whose sum is σ = 172016670000. Its totient is φ = 48670979328.

The previous prime is 105969659041. The next prime is 105969659053. The reversal of 105969659042 is 240956969501.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3364116001 + 102605543041 = 58001^2 + 320321^2 .

It is a super-2 number, since 2×105969659042² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105969659041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5961584 + ... + 5979332.

Almost surely, 2^105969659042 is an apocalyptic number.

105969659042 is a deficient number, since it is larger than the sum of its proper divisors (66047010958).

105969659042 is a wasteful number, since it uses less digits than its factorization.

105969659042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18870.

The product of its (nonzero) digits is 5248800, while the sum is 56.

The spelling of 105969659042 in words is "one hundred five billion, nine hundred sixty-nine million, six hundred fifty-nine thousand, forty-two".