25603112320473 has 16 divisors (see below), whose sum is σ = 34150200780800. Its totient is φ = 17062383816720.

The previous prime is 25603112320417. The next prime is 25603112320477. The reversal of 25603112320473 is 37402321130652.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-25603112320473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25603112320477) 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 in 15 ways as a sum of consecutive naturals, for example, 95946048 + ... + 96212526.

It is an arithmetic number, because the mean of its divisors is an integer number (2134387548800).

Almost surely, 2^{25603112320473} is an apocalyptic number.

It is an amenable number.

25603112320473 is a deficient number, since it is larger than the sum of its proper divisors (8547088460327).

25603112320473 is a wasteful number, since it uses less digits than its factorization.

25603112320473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278292.

The product of its (nonzero) digits is 181440, while the sum is 39.

The spelling of 25603112320473 in words is "twenty-five trillion, six hundred three billion, one hundred twelve million, three hundred twenty thousand, four hundred seventy-three".