1012656611 has 2 divisors, whose sum is σ = 1012656612. Its totient is φ = 1012656610.

The previous prime is 1012656587. The next prime is 1012656613. The reversal of 1012656611 is 1166562101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012656611 - 2¹⁰ = 1012655587 is a prime.

Together with 1012656613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1012656613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506328305 + 506328306.

It is an arithmetic number, because the mean of its divisors is an integer number (506328306).

Almost surely, 2^1012656611 is an apocalyptic number.

1012656611 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012656611 is an equidigital number, since it uses as much as digits as its factorization.

1012656611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 1012656611 is about 31822.2659626872. The cubic root of 1012656611 is about 1004.2011955720.

The spelling of 1012656611 in words is "one billion, twelve million, six hundred fifty-six thousand, six hundred eleven".