115501320 has 96 divisors (see below), whose sum is σ = 409518720. Its totient is φ = 27999360.

The previous prime is 115501313. The next prime is 115501327. The reversal of 115501320 is 23105511.

It is an interprime number because it is at equal distance from previous prime (115501313) and next prime (115501327).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 115501293 and 115501302.

It is not an unprimeable number, because it can be changed into a prime (115501327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10624 + ... + 18543.

It is an arithmetic number, because the mean of its divisors is an integer number (4265820).

Almost surely, 2^115501320 is an apocalyptic number.

115501320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115501320 is an abundant number, since it is smaller than the sum of its proper divisors (294017400).

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

115501320 is a wasteful number, since it uses less digits than its factorization.

115501320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29195 (or 29188 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 115501320 is about 10747.1540418848. The cubic root of 115501320 is about 487.0000238929. Note that the first 4 decimals are identical.

Adding to 115501320 its reverse (23105511), we get a palindrome (138606831).

The spelling of 115501320 in words is "one hundred fifteen million, five hundred one thousand, three hundred twenty".