1056001001039 has 2 divisors, whose sum is σ = 1056001001040. Its totient is φ = 1056001001038.

The previous prime is 1056001000993. The next prime is 1056001001059. The reversal of 1056001001039 is 9301001006501.

It is a strong prime.

It is an emirp because it is prime and its reverse (9301001006501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1056001001039 - 2⁸ = 1056001000783 is a prime.

It is a super-2 number, since 2×1056001001039² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056001000999 and 1056001001017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056001001059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528000500519 + 528000500520.

It is an arithmetic number, because the mean of its divisors is an integer number (528000500520).

Almost surely, 2^{1056001001039} is an apocalyptic number.

1056001001039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056001001039 is an equidigital number, since it uses as much as digits as its factorization.

1056001001039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810, while the sum is 26.

The spelling of 1056001001039 in words is "one trillion, fifty-six billion, one million, one thousand, thirty-nine".