2611130247 has 24 divisors (see below), whose sum is σ = 4117610640. Its totient is φ = 1581310080.

The previous prime is 2611130243. The next prime is 2611130267. The reversal of 2611130247 is 7420311162.

2611130247 is a `hidden beast` number, since 2 + 611 + 1 + 3 + 0 + 2 + 47 = 666.

It is not a de Polignac number, because 2611130247 - 2² = 2611130243 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2611130247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2611130243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 132243 + ... + 150699.

It is an arithmetic number, because the mean of its divisors is an integer number (171567110).

Almost surely, 2^2611130247 is an apocalyptic number.

2611130247 is a deficient number, since it is larger than the sum of its proper divisors (1506480393).

2611130247 is a wasteful number, since it uses less digits than its factorization.

2611130247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19903 (or 19900 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 2611130247 is about 51099.2196320061. The cubic root of 2611130247 is about 1377.0282348417.

The spelling of 2611130247 in words is "two billion, six hundred eleven million, one hundred thirty thousand, two hundred forty-seven".