1553554608128 has 208 divisors, whose sum is σ = 3386992916160. Its totient is φ = 709597593600.

The previous prime is 1553554608103. The next prime is 1553554608139. The reversal of 1553554608128 is 8218064553551.

It is a self number, because there is not a number n which added to its sum of digits gives 1553554608128.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602385143 + ... + 602387721.

Almost surely, 2^{1553554608128} 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 1553554608128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693496458080).

1553554608128 is an abundant number, since it is smaller than the sum of its proper divisors (1833438308032).

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

1553554608128 is a wasteful number, since it uses less digits than its factorization.

1553554608128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 53.

The spelling of 1553554608128 in words is "one trillion, five hundred fifty-three billion, five hundred fifty-four million, six hundred eight thousand, one hundred twenty-eight".