2566117311 has 8 divisors (see below), whose sum is σ = 3421783680. Its totient is φ = 1710597912.

The previous prime is 2566117303. The next prime is 2566117319. The reversal of 2566117311 is 1137116652.

It is an interprime number because it is at equal distance from previous prime (2566117303) and next prime (2566117319).

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

It is not a de Polignac number, because 2566117311 - 2³ = 2566117303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566117319) 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, 14020 + ... + 72998.

It is an arithmetic number, because the mean of its divisors is an integer number (427722960).

Almost surely, 2^2566117311 is an apocalyptic number.

2566117311 is a deficient number, since it is larger than the sum of its proper divisors (855666369).

2566117311 is a wasteful number, since it uses less digits than its factorization.

2566117311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73485.

The product of its digits is 7560, while the sum is 33.

The square root of 2566117311 is about 50656.8584793807. The cubic root of 2566117311 is about 1369.0695212684.

The spelling of 2566117311 in words is "two billion, five hundred sixty-six million, one hundred seventeen thousand, three hundred eleven".