1995131563106 has 16 divisors (see below), whose sum is σ = 3436590252960. Its totient is φ = 859147562880.

The previous prime is 1995131563097. The next prime is 1995131563129. The reversal of 1995131563106 is 6013651315991.

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 7 ways as a sum of consecutive naturals, for example, 2386520591 + ... + 2386521426.

It is an arithmetic number, because the mean of its divisors is an integer number (214786890810).

Almost surely, 2^{1995131563106} is an apocalyptic number.

1995131563106 is a deficient number, since it is larger than the sum of its proper divisors (1441458689854).

1995131563106 is a wasteful number, since it uses less digits than its factorization.

1995131563106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4773042049.

The product of its (nonzero) digits is 656100, while the sum is 50.

The spelling of 1995131563106 in words is "one trillion, nine hundred ninety-five billion, one hundred thirty-one million, five hundred sixty-three thousand, one hundred six".