51665001111014 has 4 divisors (see below), whose sum is σ = 77497501666524. Its totient is φ = 25832500555506.

The previous prime is 51665001110981. The next prime is 51665001111043. The reversal of 51665001111014 is 41011110056615.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12916250277752 + ... + 12916250277755.

It is an arithmetic number, because the mean of its divisors is an integer number (19374375416631).

Almost surely, 2^{51665001111014} is an apocalyptic number.

51665001111014 is a deficient number, since it is larger than the sum of its proper divisors (25832500555510).

51665001111014 is a wasteful number, since it uses less digits than its factorization.

51665001111014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25832500555509.

The product of its (nonzero) digits is 3600, while the sum is 32.

Adding to 51665001111014 its reverse (41011110056615), we get a palindrome (92676111167629).

The spelling of 51665001111014 in words is "fifty-one trillion, six hundred sixty-five billion, one million, one hundred eleven thousand, fourteen".