5515211365146 has 256 divisors, whose sum is σ = 14415180595200. Its totient is φ = 1530287640000.

The previous prime is 5515211365121. The next prime is 5515211365151. The reversal of 5515211365146 is 6415631125155.

5515211365146 is a `hidden beast` number, since 5 + 5 + 1 + 521 + 1 + 36 + 51 + 46 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3749293191 + ... + 3749294661.

It is an arithmetic number, because the mean of its divisors is an integer number (56309299200).

Almost surely, 2^{5515211365146} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5515211365146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7207590297600).

5515211365146 is an abundant number, since it is smaller than the sum of its proper divisors (8899969230054).

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

5515211365146 is a wasteful number, since it uses less digits than its factorization.

5515211365146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702 (or 2696 counting only the distinct ones).

The product of its digits is 540000, while the sum is 45.

The spelling of 5515211365146 in words is "five trillion, five hundred fifteen billion, two hundred eleven million, three hundred sixty-five thousand, one hundred forty-six".