51103342000 has 160 divisors (see below), whose sum is σ = 127083116160. Its totient is φ = 19867161600.

The previous prime is 51103341979. The next prime is 51103342007. The reversal of 51103342000 is 24330115.

It is a super-2 number, since 2×51103342000² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51103342007) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 11551789 + ... + 11556211.

It is an arithmetic number, because the mean of its divisors is an integer number (794269476).

Almost surely, 2^51103342000 is an apocalyptic number.

51103342000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51103342000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63541558080).

51103342000 is an abundant number, since it is smaller than the sum of its proper divisors (75979774160).

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

51103342000 is a wasteful number, since it uses less digits than its factorization.

51103342000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608 (or 4592 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

Adding to 51103342000 its reverse (24330115), we get a palindrome (51127672115).

The spelling of 51103342000 in words is "fifty-one billion, one hundred three million, three hundred forty-two thousand".