631672566011 has 2 divisors, whose sum is σ = 631672566012. Its totient is φ = 631672566010.

The previous prime is 631672565999. The next prime is 631672566037. The reversal of 631672566011 is 110665276136.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 631672566011 - 2⁶ = 631672565947 is a prime.

It is not a weakly prime, because it can be changed into another prime (631672566211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315836283005 + 315836283006.

It is an arithmetic number, because the mean of its divisors is an integer number (315836283006).

Almost surely, 2^631672566011 is an apocalyptic number.

631672566011 is a deficient number, since it is larger than the sum of its proper divisors (1).

631672566011 is an equidigital number, since it uses as much as digits as its factorization.

631672566011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 631672566011 in words is "six hundred thirty-one billion, six hundred seventy-two million, five hundred sixty-six thousand, eleven".