12455033161 has 2 divisors, whose sum is σ = 12455033162. Its totient is φ = 12455033160.

The previous prime is 12455033147. The next prime is 12455033183. The reversal of 12455033161 is 16133055421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6471237136 + 5983796025 = 80444^2 + 77355^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12455033161 is a prime.

It is not a weakly prime, because it can be changed into another prime (12455033111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227516580 + 6227516581.

It is an arithmetic number, because the mean of its divisors is an integer number (6227516581).

Almost surely, 2^12455033161 is an apocalyptic number.

It is an amenable number.

12455033161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12455033161 is an equidigital number, since it uses as much as digits as its factorization.

12455033161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 12455033161 its reverse (16133055421), we get a palindrome (28588088582).

The spelling of 12455033161 in words is "twelve billion, four hundred fifty-five million, thirty-three thousand, one hundred sixty-one".