2125000039999 has 8 divisors (see below), whose sum is σ = 2144529818640. Its totient is φ = 2105470886400.

The previous prime is 2125000039919. The next prime is 2125000040063. The reversal of 2125000039999 is 9999300005212.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2125000039999 - 2²⁷ = 2124865822271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125000039919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9279519 + ... + 9505759.

It is an arithmetic number, because the mean of its divisors is an integer number (268066227330).

Almost surely, 2^{2125000039999} is an apocalyptic number.

2125000039999 is a deficient number, since it is larger than the sum of its proper divisors (19529778641).

2125000039999 is a wasteful number, since it uses less digits than its factorization.

2125000039999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312521.

The product of its (nonzero) digits is 393660, while the sum is 49.

The spelling of 2125000039999 in words is "two trillion, one hundred twenty-five billion, thirty-nine thousand, nine hundred ninety-nine".