51135310050 has 192 divisors, whose sum is σ = 145003862016. Its totient is φ = 11804531200.

The previous prime is 51135310019. The next prime is 51135310067. The reversal of 51135310050 is 5001353115.

It is a super-2 number, since 2×51135310050² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51135310050.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8839459 + ... + 8845241.

It is an arithmetic number, because the mean of its divisors is an integer number (755228448).

Almost surely, 2^51135310050 is an apocalyptic number.

51135310050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51135310050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72501931008).

51135310050 is an abundant number, since it is smaller than the sum of its proper divisors (93868551966).

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

51135310050 is a wasteful number, since it uses less digits than its factorization.

51135310050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6065 (or 6060 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 24.

Adding to 51135310050 its reverse (5001353115), we get a palindrome (56136663165).

The spelling of 51135310050 in words is "fifty-one billion, one hundred thirty-five million, three hundred ten thousand, fifty".