13550748992508 has 192 divisors, whose sum is σ = 39872623730688. Its totient is φ = 3485913477120.

The previous prime is 13550748992491. The next prime is 13550748992551. The reversal of 13550748992508 is 80529984705531.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 227725416 + ... + 227784912.

It is an arithmetic number, because the mean of its divisors is an integer number (207669915264).

Almost surely, 2^{13550748992508} 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 13550748992508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19936311865344).

13550748992508 is an abundant number, since it is smaller than the sum of its proper divisors (26321874738180).

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

13550748992508 is a wasteful number, since it uses less digits than its factorization.

13550748992508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64652 (or 64650 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 66.

The spelling of 13550748992508 in words is "thirteen trillion, five hundred fifty billion, seven hundred forty-eight million, nine hundred ninety-two thousand, five hundred eight".