2125109589917 has 8 divisors (see below), whose sum is σ = 2150845625376. Its totient is φ = 2099376704752.

The previous prime is 2125109589913. The next prime is 2125109589943. The reversal of 2125109589917 is 7199859015212.

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 2125109589917 - 2² = 2125109589913 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 (2125109589913) 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, 584123 + ... + 2142759.

It is an arithmetic number, because the mean of its divisors is an integer number (268855703172).

Almost surely, 2^{2125109589917} is an apocalyptic number.

It is an amenable number.

2125109589917 is a deficient number, since it is larger than the sum of its proper divisors (25736035459).

2125109589917 is a wasteful number, since it uses less digits than its factorization.

2125109589917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575147.

The product of its (nonzero) digits is 4082400, while the sum is 59.

The spelling of 2125109589917 in words is "two trillion, one hundred twenty-five billion, one hundred nine million, five hundred eighty-nine thousand, nine hundred seventeen".