1001055105539 has 2 divisors, whose sum is σ = 1001055105540. Its totient is φ = 1001055105538.

The previous prime is 1001055105511. The next prime is 1001055105569. The reversal of 1001055105539 is 9355015501001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9355015501001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1001055105539 - 2⁸ = 1001055105283 is a prime.

It is a super-2 number, since 2×1001055105539² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1001055105499 and 1001055105508.

It is not a weakly prime, because it can be changed into another prime (1001055105569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500527552769 + 500527552770.

It is an arithmetic number, because the mean of its divisors is an integer number (500527552770).

Almost surely, 2^{1001055105539} is an apocalyptic number.

1001055105539 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001055105539 is an equidigital number, since it uses as much as digits as its factorization.

1001055105539 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16875, while the sum is 35.

The spelling of 1001055105539 in words is "one trillion, one billion, fifty-five million, one hundred five thousand, five hundred thirty-nine".