51330014011 has 4 divisors (see below), whose sum is σ = 51448559512. Its totient is φ = 51211468512.

The previous prime is 51330013957. The next prime is 51330014023. The reversal of 51330014011 is 11041003315.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51330014011 - 2⁷ = 51330013883 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51330014011.

It is not an unprimeable number, because it can be changed into a prime (51330014041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59272101 + ... + 59272966.

It is an arithmetic number, because the mean of its divisors is an integer number (12862139878).

Almost surely, 2^51330014011 is an apocalyptic number.

51330014011 is a deficient number, since it is larger than the sum of its proper divisors (118545501).

51330014011 is a wasteful number, since it uses less digits than its factorization.

51330014011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118545500.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 51330014011 its reverse (11041003315), we get a palindrome (62371017326).

The spelling of 51330014011 in words is "fifty-one billion, three hundred thirty million, fourteen thousand, eleven".