1553453025152 has 128 divisors (see below), whose sum is σ = 3664625595840. Its totient is φ = 642037874688.

The previous prime is 1553453025143. The next prime is 1553453025167. The reversal of 1553453025152 is 2515203543551.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

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, 3538838 + ... + 3953514.

Almost surely, 2^{1553453025152} 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 1553453025152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1832312797920).

1553453025152 is an abundant number, since it is smaller than the sum of its proper divisors (2111172570688).

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

1553453025152 is a wasteful number, since it uses less digits than its factorization.

1553453025152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414848 (or 414836 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 41.

The spelling of 1553453025152 in words is "one trillion, five hundred fifty-three billion, four hundred fifty-three million, twenty-five thousand, one hundred fifty-two".