4861111111111 has 2 divisors, whose sum is σ = 4861111111112. Its totient is φ = 4861111111110.

The previous prime is 4861111111093. The next prime is 4861111111151. The reversal of 4861111111111 is 1111111111684.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4861111111111 - 2¹⁷ = 4861110980039 is a prime.

4861111111111 is a modest number, since divided by 1111111 gives 486111 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 4861111111111.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4861111111151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2430555555555 + 2430555555556.

It is an arithmetic number, because the mean of its divisors is an integer number (2430555555556).

Almost surely, 2^{4861111111111} is an apocalyptic number.

4861111111111 is a deficient number, since it is larger than the sum of its proper divisors (1).

4861111111111 is an equidigital number, since it uses as much as digits as its factorization.

4861111111111 is an evil number, because the sum of its binary digits is even.

The product of its digits is 192, while the sum is 28.

Adding to 4861111111111 its reverse (1111111111684), we get a palindrome (5972222222795).

The spelling of 4861111111111 in words is "four trillion, eight hundred sixty-one billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".