1151054320 has 80 divisors (see below), whose sum is σ = 3007432512. Its totient is φ = 406517760.

The previous prime is 1151054293. The next prime is 1151054321. The reversal of 1151054320 is 234501511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1151054291 and 1151054300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1151054321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141 + ... + 47980.

Almost surely, 2^1151054320 is an apocalyptic number.

1151054320 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 1151054320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1503716256).

1151054320 is an abundant number, since it is smaller than the sum of its proper divisors (1856378192).

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

1151054320 is a wasteful number, since it uses less digits than its factorization.

1151054320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48170 (or 48164 counting only the distinct ones).

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

The square root of 1151054320 is about 33927.1914546430. The cubic root of 1151054320 is about 1048.0096293037.

Adding to 1151054320 its reverse (234501511), we get a palindrome (1385555831).

The spelling of 1151054320 in words is "one billion, one hundred fifty-one million, fifty-four thousand, three hundred twenty".