115520030 has 16 divisors (see below), whose sum is σ = 216977184. Its totient is φ = 44198880.

The previous prime is 115520029. The next prime is 115520033. The reversal of 115520030 is 30025511.

It is a junction number, because it is equal to n+sod(n) for n = 115519990 and 115520008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115520033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250901 + ... + 251360.

It is an arithmetic number, because the mean of its divisors is an integer number (13561074).

Almost surely, 2^115520030 is an apocalyptic number.

115520030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115520030 is a deficient number, since it is larger than the sum of its proper divisors (101457154).

115520030 is a wasteful number, since it uses less digits than its factorization.

115520030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502291.

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 115520030 is about 10748.0244696409. The cubic root of 115520030 is about 487.0263187684.

Adding to 115520030 its reverse (30025511), we get a palindrome (145545541).

The spelling of 115520030 in words is "one hundred fifteen million, five hundred twenty thousand, thirty".