51122123716 has 24 divisors (see below), whose sum is σ = 96513583320. Its totient is φ = 23603553792.

The previous prime is 51122123677. The next prime is 51122123753. The reversal of 51122123716 is 61732122115.

It can be written as a sum of positive squares in 4 ways, for example, as 37187265600 + 13934858116 = 192840^2 + 118046^2 .

It is a super-2 number, since 2×51122123716² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7088811 + ... + 7096018.

It is an arithmetic number, because the mean of its divisors is an integer number (4021399305).

Almost surely, 2^51122123716 is an apocalyptic number.

It is an amenable number.

51122123716 is a deficient number, since it is larger than the sum of its proper divisors (45391459604).

51122123716 is a wasteful number, since it uses less digits than its factorization.

51122123716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14184903 (or 14184901 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The spelling of 51122123716 in words is "fifty-one billion, one hundred twenty-two million, one hundred twenty-three thousand, seven hundred sixteen".