12664151531 has 2 divisors, whose sum is σ = 12664151532. Its totient is φ = 12664151530.

The previous prime is 12664151459. The next prime is 12664151557. The reversal of 12664151531 is 13515146621.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12664151531 is a prime.

It is a super-2 number, since 2×12664151531² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12664151491 and 12664151500.

It is not a weakly prime, because it can be changed into another prime (12664159531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6332075765 + 6332075766.

It is an arithmetic number, because the mean of its divisors is an integer number (6332075766).

Almost surely, 2^12664151531 is an apocalyptic number.

12664151531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12664151531 is an equidigital number, since it uses as much as digits as its factorization.

12664151531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 35.

The spelling of 12664151531 in words is "twelve billion, six hundred sixty-four million, one hundred fifty-one thousand, five hundred thirty-one".