1005556010047 has 2 divisors, whose sum is σ = 1005556010048. Its totient is φ = 1005556010046.

The previous prime is 1005556010021. The next prime is 1005556010077. The reversal of 1005556010047 is 7400106555001.

It is a weak prime.

It is an emirp because it is prime and its reverse (7400106555001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1005556010047 - 2²³ = 1005547621439 is a prime.

It is a super-2 number, since 2×1005556010047² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1005556009994 and 1005556010021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1005556010077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502778005023 + 502778005024.

It is an arithmetic number, because the mean of its divisors is an integer number (502778005024).

Almost surely, 2^{1005556010047} is an apocalyptic number.

1005556010047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1005556010047 is an equidigital number, since it uses as much as digits as its factorization.

1005556010047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21000, while the sum is 34.

The spelling of 1005556010047 in words is "one trillion, five billion, five hundred fifty-six million, ten thousand, forty-seven".