5515299998208 has 3840 divisors, whose sum is σ = 24292479467520. Its totient is φ = 1195587993600.

The previous prime is 5515299998141. The next prime is 5515299998287. The reversal of 5515299998208 is 8028999925155.

It is a happy number.

5515299998208 is a `hidden beast` number, since 5 + 5 + 1 + 529 + 9 + 9 + 98 + 2 + 0 + 8 = 666.

It is a super-2 number, since 2×5515299998208² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 128262790635 + ... + 128262790677.

It is an arithmetic number, because the mean of its divisors is an integer number (6326166528).

Almost surely, 2^{5515299998208} 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 5515299998208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12146239733760).

5515299998208 is an abundant number, since it is smaller than the sum of its proper divisors (18777179469312).

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

5515299998208 is a wasteful number, since it uses less digits than its factorization.

5515299998208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 209952000, while the sum is 72.

The spelling of 5515299998208 in words is "five trillion, five hundred fifteen billion, two hundred ninety-nine million, nine hundred ninety-eight thousand, two hundred eight".