2145320530411 has 2 divisors, whose sum is σ = 2145320530412. Its totient is φ = 2145320530410.

The previous prime is 2145320530393. The next prime is 2145320530427. The reversal of 2145320530411 is 1140350235412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145320530411 - 2³⁵ = 2110960792043 is a prime.

It is not a weakly prime, because it can be changed into another prime (2145320230411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072660265205 + 1072660265206.

It is an arithmetic number, because the mean of its divisors is an integer number (1072660265206).

Almost surely, 2^{2145320530411} is an apocalyptic number.

2145320530411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145320530411 is an equidigital number, since it uses as much as digits as its factorization.

2145320530411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 2145320530411 its reverse (1140350235412), we get a palindrome (3285670765823).

The spelling of 2145320530411 in words is "two trillion, one hundred forty-five billion, three hundred twenty million, five hundred thirty thousand, four hundred eleven".