1000001015099 has 2 divisors, whose sum is σ = 1000001015100. Its totient is φ = 1000001015098.

The previous prime is 1000001015077. The next prime is 1000001015203. The reversal of 1000001015099 is 9905101000001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (9905101000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001015099 - 2²⁴ = 999984237883 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000001005099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000507549 + 500000507550.

It is an arithmetic number, because the mean of its divisors is an integer number (500000507550).

Almost surely, 2^{1000001015099} is an apocalyptic number.

1000001015099 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001015099 is an equidigital number, since it uses as much as digits as its factorization.

1000001015099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 405, while the sum is 26.

The spelling of 1000001015099 in words is "one trillion, one million, fifteen thousand, ninety-nine".