611100551011 has 2 divisors, whose sum is σ = 611100551012. Its totient is φ = 611100551010.

The previous prime is 611100550999. The next prime is 611100551051. The reversal of 611100551011 is 110155001116.

611100551011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 611100551011 - 2¹⁹ = 611100026723 is a prime.

It is not a weakly prime, because it can be changed into another prime (611100551051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305550275505 + 305550275506.

It is an arithmetic number, because the mean of its divisors is an integer number (305550275506).

Almost surely, 2^611100551011 is an apocalyptic number.

611100551011 is a deficient number, since it is larger than the sum of its proper divisors (1).

611100551011 is an equidigital number, since it uses as much as digits as its factorization.

611100551011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 22.

Adding to 611100551011 its reverse (110155001116), we get a palindrome (721255552127).

The spelling of 611100551011 in words is "six hundred eleven billion, one hundred million, five hundred fifty-one thousand, eleven".