1153453442800 has 120 divisors (see below), whose sum is σ = 2839442482800. Its totient is φ = 450020198400.

The previous prime is 1153453442797. The next prime is 1153453442831. The reversal of 1153453442800 is 82443543511.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123372526 + ... + 123381874.

It is an arithmetic number, because the mean of its divisors is an integer number (23662020690).

Almost surely, 2^{1153453442800} is an apocalyptic number.

1153453442800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1153453442800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419721241400).

1153453442800 is an abundant number, since it is smaller than the sum of its proper divisors (1685989040000).

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

1153453442800 is a wasteful number, since it uses less digits than its factorization.

1153453442800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16931 (or 16920 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 1153453442800 in words is "one trillion, one hundred fifty-three billion, four hundred fifty-three million, four hundred forty-two thousand, eight hundred".