115541530 has 16 divisors (see below), whose sum is σ = 223973064. Its totient is φ = 42661440.

The previous prime is 115541521. The next prime is 115541549. The reversal of 115541530 is 35145511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 85544001 + 29997529 = 9249^2 + 5477^2 .

It is a junction number, because it is equal to n+sod(n) for n = 115541495 and 115541504.

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, 444261 + ... + 444520.

Almost surely, 2^115541530 is an apocalyptic number.

115541530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115541530 is a deficient number, since it is larger than the sum of its proper divisors (108431534).

115541530 is a wasteful number, since it uses less digits than its factorization.

115541530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888801.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 115541530 is about 10749.0246069120. The cubic root of 115541530 is about 487.0565311807.

The spelling of 115541530 in words is "one hundred fifteen million, five hundred forty-one thousand, five hundred thirty".