511110606011 has 4 divisors (see below), whose sum is σ = 511112037672. Its totient is φ = 511109174352.

The previous prime is 511110605939. The next prime is 511110606059. The reversal of 511110606011 is 110606011115.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 511110606011 - 2¹⁸ = 511110343867 is a prime.

It is a super-2 number, since 2×511110606011² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511110606511) 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 in 3 ways as a sum of consecutive naturals, for example, 303791 + ... + 1055703.

It is an arithmetic number, because the mean of its divisors is an integer number (127778009418).

Almost surely, 2^511110606011 is an apocalyptic number.

511110606011 is a deficient number, since it is larger than the sum of its proper divisors (1431661).

511110606011 is an equidigital number, since it uses as much as digits as its factorization.

511110606011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431660.

The product of its (nonzero) digits is 180, while the sum is 23.

Adding to 511110606011 its reverse (110606011115), we get a palindrome (621716617126).

The spelling of 511110606011 in words is "five hundred eleven billion, one hundred ten million, six hundred six thousand, eleven".