51135301100 has 72 divisors (see below), whose sum is σ = 119542140480. Its totient is φ = 18873953280.

The previous prime is 51135301081. The next prime is 51135301169. The reversal of 51135301100 is 110353115.

It is a super-2 number, since 2×51135301100² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4964756 + ... + 4975044.

Almost surely, 2^51135301100 is an apocalyptic number.

51135301100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51135301100 is an abundant number, since it is smaller than the sum of its proper divisors (68406839380).

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

51135301100 is a wasteful number, since it uses less digits than its factorization.

51135301100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14139 (or 14132 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 20.

Adding to 51135301100 its reverse (110353115), we get a palindrome (51245654215).

The spelling of 51135301100 in words is "fifty-one billion, one hundred thirty-five million, three hundred one thousand, one hundred".