115005380 has 24 divisors (see below), whose sum is σ = 276013248. Its totient is φ = 39430368.

The previous prime is 115005379. The next prime is 115005463. The reversal of 115005380 is 83500511.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410594 + ... + 410873.

It is an arithmetic number, because the mean of its divisors is an integer number (11500552).

Almost surely, 2^115005380 is an apocalyptic number.

115005380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115005380 is an abundant number, since it is smaller than the sum of its proper divisors (161007868).

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

115005380 is a wasteful number, since it uses less digits than its factorization.

115005380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821483 (or 821481 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 115005380 is about 10724.0561356233. The cubic root of 115005380 is about 486.3019963649.

Adding to 115005380 its reverse (83500511), we get a palindrome (198505891).

The spelling of 115005380 in words is "one hundred fifteen million, five thousand, three hundred eighty".