1115453320 has 32 divisors (see below), whose sum is σ = 2550919320. Its totient is φ = 438865920.

The previous prime is 1115453299. The next prime is 1115453323. The reversal of 1115453320 is 233545111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 693479556 + 421973764 = 26334^2 + 20542^2 .

It is a super-2 number, since 2×1115453320² = 2488472218198044800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1115453323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226137 + ... + 231016.

Almost surely, 2^1115453320 is an apocalyptic number.

1115453320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1115453320 is an abundant number, since it is smaller than the sum of its proper divisors (1435466000).

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

1115453320 is a wasteful number, since it uses less digits than its factorization.

1115453320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457225 (or 457221 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1115453320 is about 33398.4029558301. The cubic root of 1115453320 is about 1037.0916401326.

Adding to 1115453320 its reverse (233545111), we get a palindrome (1348998431).

The spelling of 1115453320 in words is "one billion, one hundred fifteen million, four hundred fifty-three thousand, three hundred twenty".