51005556060108 has 384 divisors, whose sum is σ = 140053418803200. Its totient is φ = 14307174374400.

The previous prime is 51005556060101. The next prime is 51005556060157. The reversal of 51005556060108 is 80106065550015.

It is a self number, because there is not a number n which added to its sum of digits gives 51005556060108.

It is not an unprimeable number, because it can be changed into a prime (51005556060101) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 32466934963 + ... + 32466936533.

It is an arithmetic number, because the mean of its divisors is an integer number (364722444800).

Almost surely, 2^{51005556060108} 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 51005556060108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70026709401600).

51005556060108 is an abundant number, since it is smaller than the sum of its proper divisors (89047862743092).

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

51005556060108 is a wasteful number, since it uses less digits than its factorization.

51005556060108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3411 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 42.

The spelling of 51005556060108 in words is "fifty-one trillion, five billion, five hundred fifty-six million, sixty thousand, one hundred eight".