6611512265 has 16 divisors (see below), whose sum is σ = 8282072448. Its totient is φ = 5057222016.

The previous prime is 6611512241. The next prime is 6611512283. The reversal of 6611512265 is 5622151166.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6611512265 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 318494 + ... + 338616.

It is an arithmetic number, because the mean of its divisors is an integer number (517629528).

Almost surely, 2^6611512265 is an apocalyptic number.

It is an amenable number.

6611512265 is a deficient number, since it is larger than the sum of its proper divisors (1670560183).

6611512265 is a wasteful number, since it uses less digits than its factorization.

6611512265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23008.

The product of its digits is 21600, while the sum is 35.

The square root of 6611512265 is about 81311.2062694928. The cubic root of 6611512265 is about 1876.8674505030.

The spelling of 6611512265 in words is "six billion, six hundred eleven million, five hundred twelve thousand, two hundred sixty-five".