80001000003 has 32 divisors (see below), whose sum is σ = 108057369600. Its totient is φ = 52645199616.

The previous prime is 80000999977. The next prime is 80001000029. The reversal of 80001000003 is 30000010008.

80001000003 is a nontrivial binomial coefficient, being equal to C(400003, 2).

It is an interprime number because it is at equal distance from previous prime (80000999977) and next prime (80001000029).

It is not a de Polignac number, because 80001000003 - 2⁵ = 80000999971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80001000083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53799526 + ... + 53801012.

It is an arithmetic number, because the mean of its divisors is an integer number (3376792800).

Almost surely, 2^80001000003 is an apocalyptic number.

80001000003 is the 400002-nd triangular number.

80001000003 is a deficient number, since it is larger than the sum of its proper divisors (28056369597).

80001000003 is a wasteful number, since it uses less digits than its factorization.

80001000003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2331.

The product of its (nonzero) digits is 24, while the sum is 12.

The spelling of 80001000003 in words is "eighty billion, one million, three", and thus it is an aban number and an uban number.