115015480 has 16 divisors (see below), whose sum is σ = 258784920. Its totient is φ = 46006176.

The previous prime is 115015463. The next prime is 115015513. The reversal of 115015480 is 84510511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1437654 + ... + 1437733.

Almost surely, 2^115015480 is an apocalyptic number.

115015480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115015480 is an abundant number, since it is smaller than the sum of its proper divisors (143769440).

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

115015480 is a wasteful number, since it uses less digits than its factorization.

115015480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2875398 (or 2875394 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 25.

The square root of 115015480 is about 10724.5270291981. The cubic root of 115015480 is about 486.3162319493.

Adding to 115015480 its reverse (84510511), we get a palindrome (199525991).

The spelling of 115015480 in words is "one hundred fifteen million, fifteen thousand, four hundred eighty".