12164614441531 has 2 divisors, whose sum is σ = 12164614441532. Its totient is φ = 12164614441530.

The previous prime is 12164614441501. The next prime is 12164614441543. The reversal of 12164614441531 is 13514441646121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12164614441531 - 2⁹ = 12164614441019 is a prime.

It is a super-2 number, since 2×12164614441531² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12164614441501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082307220765 + 6082307220766.

It is an arithmetic number, because the mean of its divisors is an integer number (6082307220766).

Almost surely, 2^{12164614441531} is an apocalyptic number.

12164614441531 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164614441531 is an equidigital number, since it uses as much as digits as its factorization.

12164614441531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 43.

The spelling of 12164614441531 in words is "twelve trillion, one hundred sixty-four billion, six hundred fourteen million, four hundred forty-one thousand, five hundred thirty-one".