115530051 has 32 divisors (see below), whose sum is σ = 199575040. Its totient is φ = 57729024.

The previous prime is 115530049. The next prime is 115530073. The reversal of 115530051 is 150035511.

It is not a de Polignac number, because 115530051 - 2¹ = 115530049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (115530091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5950 + ... + 16323.

It is an arithmetic number, because the mean of its divisors is an integer number (6236720).

Almost surely, 2^115530051 is an apocalyptic number.

115530051 is a deficient number, since it is larger than the sum of its proper divisors (84044989).

115530051 is a wasteful number, since it uses less digits than its factorization.

115530051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22315.

The product of its (nonzero) digits is 375, while the sum is 21.

The square root of 115530051 is about 10748.4906382245. The cubic root of 115530051 is about 487.0404010294.

Adding to 115530051 its reverse (150035511), we get a palindrome (265565562).

The spelling of 115530051 in words is "one hundred fifteen million, five hundred thirty thousand, fifty-one".