51010105032 has 48 divisors (see below), whose sum is σ = 138361501980. Its totient is φ = 16977628800.

The previous prime is 51010104997. The next prime is 51010105039. The reversal of 51010105032 is 23050101015.

51010105032 is a `hidden beast` number, since 510 + 101 + 0 + 50 + 3 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47381970276 + 3628134756 = 217674^2 + 60234^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 51010104996 and 51010105014.

It is not an unprimeable number, because it can be changed into a prime (51010105039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 488319 + ... + 583502.

Almost surely, 2^51010105032 is an apocalyptic number.

It is an amenable number.

51010105032 is an abundant number, since it is smaller than the sum of its proper divisors (87351396948).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51010105032 is a wasteful number, since it uses less digits than its factorization.

51010105032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1072494 (or 1072487 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 51010105032 its reverse (23050101015), we get a palindrome (74060206047).

The spelling of 51010105032 in words is "fifty-one billion, ten million, one hundred five thousand, thirty-two".