51050061100 has 72 divisors (see below), whose sum is σ = 112949520768. Its totient is φ = 20020416000.

The previous prime is 51050061059. The next prime is 51050061109. The reversal of 51050061100 is 116005015.

51050061100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51050061100² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51050061109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10337832 + ... + 10342768.

It is an arithmetic number, because the mean of its divisors is an integer number (1568743344).

Almost surely, 2^51050061100 is an apocalyptic number.

51050061100 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 51050061100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56474760384).

51050061100 is an abundant number, since it is smaller than the sum of its proper divisors (61899459668).

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

51050061100 is a wasteful number, since it uses less digits than its factorization.

51050061100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955 (or 6948 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

Adding to 51050061100 its reverse (116005015), we get a palindrome (51166066115).

The spelling of 51050061100 in words is "fifty-one billion, fifty million, sixty-one thousand, one hundred".