1151504320 has 56 divisors (see below), whose sum is σ = 2787018048. Its totient is φ = 453043200.

The previous prime is 1151504303. The next prime is 1151504323. The reversal of 1151504320 is 234051511.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1151504291 and 1151504300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151504323) 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, 9976 + ... + 49015.

Almost surely, 2^1151504320 is an apocalyptic number.

1151504320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151504320 is an abundant number, since it is smaller than the sum of its proper divisors (1635513728).

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

1151504320 is an equidigital number, since it uses as much as digits as its factorization.

1151504320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59069 (or 59059 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1151504320 is about 33933.8226552801. The cubic root of 1151504320 is about 1048.1461832095.

Adding to 1151504320 its reverse (234051511), we get a palindrome (1385555831).

The spelling of 1151504320 in words is "one billion, one hundred fifty-one million, five hundred four thousand, three hundred twenty".