12045441157 has 2 divisors, whose sum is σ = 12045441158. Its totient is φ = 12045441156.

The previous prime is 12045441061. The next prime is 12045441173. The reversal of 12045441157 is 75114454021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12044184516 + 1256641 = 109746^2 + 1121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12045441157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12045441257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6022720578 + 6022720579.

It is an arithmetic number, because the mean of its divisors is an integer number (6022720579).

Almost surely, 2^12045441157 is an apocalyptic number.

It is an amenable number.

12045441157 is a deficient number, since it is larger than the sum of its proper divisors (1).

12045441157 is an equidigital number, since it uses as much as digits as its factorization.

12045441157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22400, while the sum is 34.

Adding to 12045441157 its reverse (75114454021), we get a palindrome (87159895178).

The spelling of 12045441157 in words is "twelve billion, forty-five million, four hundred forty-one thousand, one hundred fifty-seven".