1968756631011 has 12 divisors (see below), whose sum is σ = 2871915614880. Its totient is φ = 1299509326800.

The previous prime is 1968756631003. The next prime is 1968756631057. The reversal of 1968756631011 is 1101366578691.

1968756631011 is a `hidden beast` number, since 1 + 9 + 68 + 7 + 566 + 3 + 1 + 0 + 11 = 666.

It is not a de Polignac number, because 1968756631011 - 2³ = 1968756631003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1968756631111) by changing a digit.

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, 1082923531 + ... + 1082925348.

It is an arithmetic number, because the mean of its divisors is an integer number (239326301240).

Almost surely, 2^{1968756631011} is an apocalyptic number.

1968756631011 is a deficient number, since it is larger than the sum of its proper divisors (903158983869).

1968756631011 is a wasteful number, since it uses less digits than its factorization.

1968756631011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165848986 (or 2165848983 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 1968756631011 in words is "one trillion, nine hundred sixty-eight billion, seven hundred fifty-six million, six hundred thirty-one thousand, eleven".