1153965989484 has 216 divisors, whose sum is σ = 3825362289840. Its totient is φ = 299731259520.

The previous prime is 1153965989483. The next prime is 1153965989489. The reversal of 1153965989484 is 4849895693511.

1153965989484 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 9 + 65 + 9 + 89 + 484 = 666.

It is not an unprimeable number, because it can be changed into a prime (1153965989483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 260737 + ... + 1541400.

Almost surely, 2^{1153965989484} is an apocalyptic number.

1153965989484 is a gapful number since it is divisible by the number (14) 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 1153965989484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1912681144920).

1153965989484 is an abundant number, since it is smaller than the sum of its proper divisors (2671396300356).

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

1153965989484 is a wasteful number, since it uses less digits than its factorization.

1153965989484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802186 (or 1802160 counting only the distinct ones).

The product of its digits is 335923200, while the sum is 72.

The spelling of 1153965989484 in words is "one trillion, one hundred fifty-three billion, nine hundred sixty-five million, nine hundred eighty-nine thousand, four hundred eighty-four".