1005145223051 has 2 divisors, whose sum is σ = 1005145223052. Its totient is φ = 1005145223050.

The previous prime is 1005145222993. The next prime is 1005145223053. The reversal of 1005145223051 is 1503225415001.

It is a strong prime.

It is an emirp because it is prime and its reverse (1503225415001) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1005145223051 is a prime.

Together with 1005145223053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1005145223053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502572611525 + 502572611526.

It is an arithmetic number, because the mean of its divisors is an integer number (502572611526).

Almost surely, 2^{1005145223051} is an apocalyptic number.

1005145223051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005145223051 is an equidigital number, since it uses as much as digits as its factorization.

1005145223051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 1005145223051 in words is "one trillion, five billion, one hundred forty-five million, two hundred twenty-three thousand, fifty-one".