51106106650 has 24 divisors (see below), whose sum is σ = 95294446524. Its totient is φ = 20391456000.

The previous prime is 51106106627. The next prime is 51106106657. The reversal of 51106106650 is 5660160115.

51106106650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 27831247929 + 23274858721 = 166827^2 + 152561^2 .

It is a super-2 number, since 2×51106106650² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51106106657) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1254417 + ... + 1294516.

Almost surely, 2^51106106650 is an apocalyptic number.

51106106650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

51106106650 is a deficient number, since it is larger than the sum of its proper divisors (44188339874).

51106106650 is a wasteful number, since it uses less digits than its factorization.

51106106650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2549346 (or 2549341 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

Adding to 51106106650 its reverse (5660160115), we get a palindrome (56766266765).

The spelling of 51106106650 in words is "fifty-one billion, one hundred six million, one hundred six thousand, six hundred fifty".