511061006111 has 8 divisors (see below), whose sum is σ = 522978529920. Its totient is φ = 499144954392.

The previous prime is 511061006087. The next prime is 511061006119. The reversal of 511061006111 is 111600160115.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 511061006111 - 2¹⁴ = 511060989727 is a prime.

It is a super-2 number, since 2×511061006111² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511061006119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350576 + ... + 1070058.

It is an arithmetic number, because the mean of its divisors is an integer number (65372316240).

Almost surely, 2^511061006111 is an apocalyptic number.

511061006111 is a deficient number, since it is larger than the sum of its proper divisors (11917523809).

511061006111 is a wasteful number, since it uses less digits than its factorization.

511061006111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736045.

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

Adding to 511061006111 its reverse (111600160115), we get a palindrome (622661166226).

The spelling of 511061006111 in words is "five hundred eleven billion, sixty-one million, six thousand, one hundred eleven".