51071700106 has 12 divisors (see below), whose sum is σ = 89114905458. Its totient is φ = 21887871432.

The previous prime is 51071700089. The next prime is 51071700133. The reversal of 51071700106 is 60100717015.

It can be written as a sum of positive squares in only one way, i.e., 42743495025 + 8328205081 = 206745^2 + 91259^2 .

It is a super-2 number, since 2×51071700106² (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 5 ways as a sum of consecutive naturals, for example, 260569801 + ... + 260569996.

Almost surely, 2^51071700106 is an apocalyptic number.

51071700106 is a deficient number, since it is larger than the sum of its proper divisors (38043205352).

51071700106 is a wasteful number, since it uses less digits than its factorization.

51071700106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521139813 (or 521139806 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 28.

The spelling of 51071700106 in words is "fifty-one billion, seventy-one million, seven hundred thousand, one hundred six".