2611136512 has 48 divisors (see below), whose sum is σ = 5332279680. Its totient is φ = 1277743104.

The previous prime is 2611136497. The next prime is 2611136533. The reversal of 2611136512 is 2156311162.

It is a super-2 number, since 2×2611136512² = 13636067768599052288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82693 + ... + 109819.

It is an arithmetic number, because the mean of its divisors is an integer number (111089160).

Almost surely, 2^2611136512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2611136512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2666139840).

2611136512 is an abundant number, since it is smaller than the sum of its proper divisors (2721143168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2611136512 is an equidigital number, since it uses as much as digits as its factorization.

2611136512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27196 (or 27176 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 2611136512 is about 51099.2809342754. The cubic root of 2611136512 is about 1377.0293361624.

Adding to 2611136512 its reverse (2156311162), we get a palindrome (4767447674).

The spelling of 2611136512 in words is "two billion, six hundred eleven million, one hundred thirty-six thousand, five hundred twelve".