51010005100 has 36 divisors (see below), whose sum is σ = 110711990368. Its totient is φ = 20400264000.

The previous prime is 51010005083. The next prime is 51010005103. The reversal of 51010005100 is 150001015.

It is not an unprimeable number, because it can be changed into a prime (51010005103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 538285 + ... + 625915.

Almost surely, 2^51010005100 is an apocalyptic number.

51010005100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51010005100 is an abundant number, since it is smaller than the sum of its proper divisors (59701985268).

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

51010005100 is a wasteful number, since it uses less digits than its factorization.

51010005100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93466 (or 93459 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 13.

Adding to 51010005100 its reverse (150001015), we get a palindrome (51160006115).

The spelling of 51010005100 in words is "fifty-one billion, ten million, five thousand, one hundred".