1345450122011 has 2 divisors, whose sum is σ = 1345450122012. Its totient is φ = 1345450122010.

The previous prime is 1345450121987. The next prime is 1345450122043. The reversal of 1345450122011 is 1102210545431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1345450122011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1345450322011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672725061005 + 672725061006.

It is an arithmetic number, because the mean of its divisors is an integer number (672725061006).

Almost surely, 2^{1345450122011} is an apocalyptic number.

1345450122011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345450122011 is an equidigital number, since it uses as much as digits as its factorization.

1345450122011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 1345450122011 its reverse (1102210545431), we get a palindrome (2447660667442).

The spelling of 1345450122011 in words is "one trillion, three hundred forty-five billion, four hundred fifty million, one hundred twenty-two thousand, eleven".