115530101 has 4 divisors (see below), whose sum is σ = 115620204. Its totient is φ = 115440000.

The previous prime is 115530097. The next prime is 115530119. The reversal of 115530101 is 101035511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 101035511 = 2221 ⋅45491.

It can be written as a sum of positive squares in 2 ways, for example, as 483025 + 115047076 = 695^2 + 10726^2 .

It is a cyclic number.

It is not a de Polignac number, because 115530101 - 2² = 115530097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 115530101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115530131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43100 + ... + 45701.

It is an arithmetic number, because the mean of its divisors is an integer number (28905051).

Almost surely, 2^115530101 is an apocalyptic number.

It is an amenable number.

115530101 is a deficient number, since it is larger than the sum of its proper divisors (90103).

115530101 is an equidigital number, since it uses as much as digits as its factorization.

115530101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90102.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 115530101 is about 10748.4929641322. The cubic root of 115530101 is about 487.0404712911.

Adding to 115530101 its reverse (101035511), we get a palindrome (216565612).

The spelling of 115530101 in words is "one hundred fifteen million, five hundred thirty thousand, one hundred one".