1153513452 has 96 divisors (see below), whose sum is σ = 3319493632. Its totient is φ = 303595776.

The previous prime is 1153513451. The next prime is 1153513453. The reversal of 1153513452 is 2543153511.

It is an interprime number because it is at equal distance from previous prime (1153513451) and next prime (1153513453).

It is not an unprimeable number, because it can be changed into a prime (1153513451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793158 + ... + 794610.

Almost surely, 2^1153513452 is an apocalyptic number.

1153513452 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 1153513452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1659746816).

1153513452 is an abundant number, since it is smaller than the sum of its proper divisors (2165980180).

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

1153513452 is a wasteful number, since it uses less digits than its factorization.

1153513452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2205 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 1153513452 is about 33963.4134326925. The cubic root of 1153513452 is about 1048.7554269682.

Adding to 1153513452 its reverse (2543153511), we get a palindrome (3696666963).

It can be divided in two parts, 1153 and 513452, that added together give a triangular number (514605 = T₁₀₁₄).

The spelling of 1153513452 in words is "one billion, one hundred fifty-three million, five hundred thirteen thousand, four hundred fifty-two".