1153363320 has 128 divisors (see below), whose sum is σ = 3867393600. Its totient is φ = 305736192.

The previous prime is 1153363319. The next prime is 1153363361. The reversal of 1153363320 is 233633511.

It is a happy number.

1153363320 is a `hidden beast` number, since 1 + 1 + 5 + 3 + 3 + 633 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183754 + ... + 189926.

Almost surely, 2^1153363320 is an apocalyptic number.

1153363320 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 1153363320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1933696800).

1153363320 is an abundant number, since it is smaller than the sum of its proper divisors (2714030280).

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

1153363320 is a wasteful number, since it uses less digits than its factorization.

1153363320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6366 (or 6356 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 27.

The square root of 1153363320 is about 33961.2031588988. The cubic root of 1153363320 is about 1048.7099258138.

Adding to 1153363320 its reverse (233633511), we get a palindrome (1386996831).

The spelling of 1153363320 in words is "one billion, one hundred fifty-three million, three hundred sixty-three thousand, three hundred twenty".