1001056105043 has 2 divisors, whose sum is σ = 1001056105044. Its totient is φ = 1001056105042.

The previous prime is 1001056105019. The next prime is 1001056105061. The reversal of 1001056105043 is 3405016501001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001056105043 - 2²⁶ = 1000988996179 is a prime.

It is a super-2 number, since 2×1001056105043² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1001056105013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500528052521 + 500528052522.

It is an arithmetic number, because the mean of its divisors is an integer number (500528052522).

Almost surely, 2^{1001056105043} is an apocalyptic number.

1001056105043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001056105043 is an equidigital number, since it uses as much as digits as its factorization.

1001056105043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 1001056105043 in words is "one trillion, one billion, fifty-six million, one hundred five thousand, forty-three".