2571198117 has 8 divisors (see below), whose sum is σ = 3520920096. Its totient is φ = 1667804112.

The previous prime is 2571198101. The next prime is 2571198127. The reversal of 2571198117 is 7118911752.

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

It is not a de Polignac number, because 2571198117 - 2⁴ = 2571198101 is a prime.

It is a super-4 number, since 4×2571198117⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2571198127) 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, 11581863 + ... + 11582084.

It is an arithmetic number, because the mean of its divisors is an integer number (440115012).

Almost surely, 2^2571198117 is an apocalyptic number.

It is an amenable number.

2571198117 is a deficient number, since it is larger than the sum of its proper divisors (949721979).

2571198117 is a wasteful number, since it uses less digits than its factorization.

2571198117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23163987.

The product of its digits is 35280, while the sum is 42.

The square root of 2571198117 is about 50706.9829214873. The cubic root of 2571198117 is about 1369.9724925658.

The spelling of 2571198117 in words is "two billion, five hundred seventy-one million, one hundred ninety-eight thousand, one hundred seventeen".