5515155221120 has 384 divisors, whose sum is σ = 14661986376960. Its totient is φ = 1979612135424.

The previous prime is 5515155221101. The next prime is 5515155221131. The reversal of 5515155221120 is 211225515155.

It is a super-3 number, since 3×5515155221120³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1433623037 + ... + 1433626883.

It is an arithmetic number, because the mean of its divisors is an integer number (38182256190).

Almost surely, 2^{5515155221120} 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 5515155221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7330993188480).

5515155221120 is an abundant number, since it is smaller than the sum of its proper divisors (9146831155840).

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

5515155221120 is a wasteful number, since it uses less digits than its factorization.

5515155221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4260 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 35.

The spelling of 5515155221120 in words is "five trillion, five hundred fifteen billion, one hundred fifty-five million, two hundred twenty-one thousand, one hundred twenty".