12111404314057 has 2 divisors, whose sum is σ = 12111404314058. Its totient is φ = 12111404314056.

The previous prime is 12111404313917. The next prime is 12111404314133. The reversal of 12111404314057 is 75041340411121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11454779329081 + 656624984976 = 3384491^2 + 810324^2 .

It is a cyclic number.

It is not a de Polignac number, because 12111404314057 - 2³⁹ = 11561648500169 is a prime.

It is a super-2 number, since 2×12111404314057² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12111404317057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6055702157028 + 6055702157029.

It is an arithmetic number, because the mean of its divisors is an integer number (6055702157029).

Almost surely, 2^{12111404314057} is an apocalyptic number.

It is an amenable number.

12111404314057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12111404314057 is an equidigital number, since it uses as much as digits as its factorization.

12111404314057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 12111404314057 its reverse (75041340411121), we get a palindrome (87152744725178).

The spelling of 12111404314057 in words is "twelve trillion, one hundred eleven billion, four hundred four million, three hundred fourteen thousand, fifty-seven".