51746261108 has 6 divisors (see below), whose sum is σ = 90555956946. Its totient is φ = 25873130552.

The previous prime is 51746261093. The next prime is 51746261141. The reversal of 51746261108 is 80116264715.

It can be written as a sum of positive squares in only one way, i.e., 40651430884 + 11094830224 = 201622^2 + 105332^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6468282635 + ... + 6468282642.

It is an arithmetic number, because the mean of its divisors is an integer number (15092659491).

Almost surely, 2^51746261108 is an apocalyptic number.

It is an amenable number.

51746261108 is a deficient number, since it is larger than the sum of its proper divisors (38809695838).

51746261108 is a wasteful number, since it uses less digits than its factorization.

51746261108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12936565281 (or 12936565279 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 51746261108 in words is "fifty-one billion, seven hundred forty-six million, two hundred sixty-one thousand, one hundred eight".