2145111131341 has 2 divisors, whose sum is σ = 2145111131342. Its totient is φ = 2145111131340.

The previous prime is 2145111131299. The next prime is 2145111131347. The reversal of 2145111131341 is 1431311115412.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2142695802025 + 2415329316 = 1463795^2 + 49146^2 .

It is a cyclic number.

It is not a de Polignac number, because 2145111131341 - 2⁷ = 2145111131213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145111131347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072555565670 + 1072555565671.

It is an arithmetic number, because the mean of its divisors is an integer number (1072555565671).

Almost surely, 2^{2145111131341} is an apocalyptic number.

It is an amenable number.

2145111131341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145111131341 is an equidigital number, since it uses as much as digits as its factorization.

2145111131341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 28.

Adding to 2145111131341 its reverse (1431311115412), we get a palindrome (3576422246753).

The spelling of 2145111131341 in words is "two trillion, one hundred forty-five billion, one hundred eleven million, one hundred thirty-one thousand, three hundred forty-one".