1153481472 has 360 divisors, whose sum is σ = 4051167120. Its totient is φ = 321822720.

The previous prime is 1153481383. The next prime is 1153481477. The reversal of 1153481472 is 2741843511.

1153481472 is a `hidden beast` number, since 1 + 1 + 534 + 81 + 47 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153481477) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2965054 + ... + 2965442.

It is an arithmetic number, because the mean of its divisors is an integer number (11253242).

Almost surely, 2^1153481472 is an apocalyptic number.

1153481472 is a gapful number since it is divisible by the number (12) 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 1153481472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2025583560).

1153481472 is an abundant number, since it is smaller than the sum of its proper divisors (2897685648).

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

1153481472 is a wasteful number, since it uses less digits than its factorization.

1153481472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 418 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 1153481472 is about 33962.9426286946. The cubic root of 1153481472 is about 1048.7457349823.

The spelling of 1153481472 in words is "one billion, one hundred fifty-three million, four hundred eighty-one thousand, four hundred seventy-two".