51136200060 has 96 divisors (see below), whose sum is σ = 156280465152. Its totient is φ = 12390097920.

The previous prime is 51136200041. The next prime is 51136200091. The reversal of 51136200060 is 6000263115.

It is a super-2 number, since 2×51136200060² (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 51136200060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1291924 + ... + 1330916.

It is an arithmetic number, because the mean of its divisors is an integer number (1627921512).

Almost surely, 2^51136200060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51136200060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78140232576).

51136200060 is an abundant number, since it is smaller than the sum of its proper divisors (105144265092).

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

51136200060 is a wasteful number, since it uses less digits than its factorization.

51136200060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41003 (or 41001 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 51136200060 its reverse (6000263115), we get a palindrome (57136463175).

The spelling of 51136200060 in words is "fifty-one billion, one hundred thirty-six million, two hundred thousand, sixty".