51064103441782 has 4 divisors (see below), whose sum is σ = 76596155162676. Its totient is φ = 25532051720890.

The previous prime is 51064103441779. The next prime is 51064103441851. The reversal of 51064103441782 is 28714430146015.

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, 12766025860444 + ... + 12766025860447.

It is an arithmetic number, because the mean of its divisors is an integer number (19149038790669).

Almost surely, 2^{51064103441782} is an apocalyptic number.

51064103441782 is a deficient number, since it is larger than the sum of its proper divisors (25532051720894).

51064103441782 is a wasteful number, since it uses less digits than its factorization.

51064103441782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25532051720893.

The product of its (nonzero) digits is 645120, while the sum is 46.

Adding to 51064103441782 its reverse (28714430146015), we get a palindrome (79778533587797).

The spelling of 51064103441782 in words is "fifty-one trillion, sixty-four billion, one hundred three million, four hundred forty-one thousand, seven hundred eighty-two".