25000085000073 has 16 divisors (see below), whose sum is σ = 33365823720320. Its totient is φ = 16650535768704.

The previous prime is 25000085000027. The next prime is 25000085000089. The reversal of 25000085000073 is 37000058000052.

It is a happy number.

It is not a de Polignac number, because 25000085000073 - 2⁸ = 25000084999817 is a prime.

It is the 5000009-th Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25000085000073.

It is not an unprimeable number, because it can be changed into a prime (25000085005073) by changing a digit.

It is a nontrivial repunit in base 5000008.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124694973 + ... + 124895301.

It is an arithmetic number, because the mean of its divisors is an integer number (2085363982520).

Almost surely, 2^{25000085000073} is an apocalyptic number.

It is an amenable number.

25000085000073 is a deficient number, since it is larger than the sum of its proper divisors (8365738720247).

25000085000073 is a wasteful number, since it uses less digits than its factorization.

25000085000073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240528.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 25000085000073 in words is "twenty-five trillion, eighty-five million, seventy-three", and thus it is an aban number and an uban number.