12531540045359 has 2 divisors, whose sum is σ = 12531540045360. Its totient is φ = 12531540045358.

The previous prime is 12531540045337. The next prime is 12531540045467. The reversal of 12531540045359 is 95354004513521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12531540045359 - 2¹² = 12531540041263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12531540045319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6265770022679 + 6265770022680.

It is an arithmetic number, because the mean of its divisors is an integer number (6265770022680).

Almost surely, 2^{12531540045359} is an apocalyptic number.

12531540045359 is a deficient number, since it is larger than the sum of its proper divisors (1).

12531540045359 is an equidigital number, since it uses as much as digits as its factorization.

12531540045359 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620000, while the sum is 47.

The spelling of 12531540045359 in words is "twelve trillion, five hundred thirty-one billion, five hundred forty million, forty-five thousand, three hundred fifty-nine".