2651567011 has 4 divisors (see below), whose sum is σ = 2651670000. Its totient is φ = 2651464024.

The previous prime is 2651566991. The next prime is 2651567033. The reversal of 2651567011 is 1107651562.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1107651562 = 2 ⋅553825781.

It is a cyclic number.

It is not a de Polignac number, because 2651567011 - 2⁵ = 2651566979 is a prime.

It is a super-2 number, since 2×2651567011² = 14061615227646948242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2651537011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25365 + ... + 77113.

It is an arithmetic number, because the mean of its divisors is an integer number (662917500).

Almost surely, 2^2651567011 is an apocalyptic number.

2651567011 is a deficient number, since it is larger than the sum of its proper divisors (102989).

2651567011 is an equidigital number, since it uses as much as digits as its factorization.

2651567011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102988.

The product of its (nonzero) digits is 12600, while the sum is 34.

The square root of 2651567011 is about 51493.3686118902. The cubic root of 2651567011 is about 1384.1002137874.

The spelling of 2651567011 in words is "two billion, six hundred fifty-one million, five hundred sixty-seven thousand, eleven".