531696591011 has 2 divisors, whose sum is σ = 531696591012. Its totient is φ = 531696591010.

The previous prime is 531696590989. The next prime is 531696591073. The reversal of 531696591011 is 110195696135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 531696591011 - 2¹⁴ = 531696574627 is a prime.

It is not a weakly prime, because it can be changed into another prime (531696591211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265848295505 + 265848295506.

It is an arithmetic number, because the mean of its divisors is an integer number (265848295506).

Almost surely, 2^531696591011 is an apocalyptic number.

531696591011 is a deficient number, since it is larger than the sum of its proper divisors (1).

531696591011 is an equidigital number, since it uses as much as digits as its factorization.

531696591011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 218700, while the sum is 47.

The spelling of 531696591011 in words is "five hundred thirty-one billion, six hundred ninety-six million, five hundred ninety-one thousand, eleven".