800124999999 has 8 divisors (see below), whose sum is σ = 1148897435952. Its totient is φ = 492384615360.

The previous prime is 800124999967. The next prime is 800125000039. The reversal of 800124999999 is 999999421008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 800124999999 - 2⁵ = 800124999967 is a prime.

800124999999 is a modest number, since divided by 999999 gives 800124 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800124999959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10258012782 + ... + 10258012859.

It is an arithmetic number, because the mean of its divisors is an integer number (143612179494).

Almost surely, 2^800124999999 is an apocalyptic number.

800124999999 is a deficient number, since it is larger than the sum of its proper divisors (348772435953).

800124999999 is a wasteful number, since it uses less digits than its factorization.

800124999999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20516025657.

The product of its (nonzero) digits is 34012224, while the sum is 69.

The spelling of 800124999999 in words is "eight hundred billion, one hundred twenty-four million, nine hundred ninety-nine thousand, nine hundred ninety-nine".