145021568311 has 2 divisors, whose sum is σ = 145021568312. Its totient is φ = 145021568310.

The previous prime is 145021568291. The next prime is 145021568323. The reversal of 145021568311 is 113865120541.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 145021568311 - 2²⁵ = 144988013879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145021568011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72510784155 + 72510784156.

It is an arithmetic number, because the mean of its divisors is an integer number (72510784156).

Almost surely, 2^145021568311 is an apocalyptic number.

145021568311 is a deficient number, since it is larger than the sum of its proper divisors (1).

145021568311 is an equidigital number, since it uses as much as digits as its factorization.

145021568311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28800, while the sum is 37.

Adding to 145021568311 its reverse (113865120541), we get a palindrome (258886688852).

The spelling of 145021568311 in words is "one hundred forty-five billion, twenty-one million, five hundred sixty-eight thousand, three hundred eleven".