25117541872007 has 8 divisors (see below), whose sum is σ = 27050594886000. Its totient is φ = 23184622344960.

The previous prime is 25117541871899. The next prime is 25117541872013. The reversal of 25117541872007 is 70027814571152.

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 25117541872007 - 2⁴⁰ = 24018030244231 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 (25117541872097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32980757 + ... + 33733742.

It is an arithmetic number, because the mean of its divisors is an integer number (3381324360750).

Almost surely, 2^{25117541872007} is an apocalyptic number.

25117541872007 is a deficient number, since it is larger than the sum of its proper divisors (1933053013993).

25117541872007 is a wasteful number, since it uses less digits than its factorization.

25117541872007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66743473.

The product of its (nonzero) digits is 1097600, while the sum is 50.

The spelling of 25117541872007 in words is "twenty-five trillion, one hundred seventeen billion, five hundred forty-one million, eight hundred seventy-two thousand, seven".