1000099012859 has 2 divisors, whose sum is σ = 1000099012860. Its totient is φ = 1000099012858.

The previous prime is 1000099012799. The next prime is 1000099012889. The reversal of 1000099012859 is 9582109900001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1000099012859 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000099012889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500049506429 + 500049506430.

It is an arithmetic number, because the mean of its divisors is an integer number (500049506430).

Almost surely, 2^{1000099012859} is an apocalyptic number.

1000099012859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000099012859 is an equidigital number, since it uses as much as digits as its factorization.

1000099012859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 44.

The spelling of 1000099012859 in words is "one trillion, ninety-nine million, twelve thousand, eight hundred fifty-nine".