115801101 has 12 divisors (see below), whose sum is σ = 180135228. Its totient is φ = 71262144.

The previous prime is 115801079. The next prime is 115801111. The reversal of 115801101 is 101108511.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21206025 + 94595076 = 4605^2 + 9726^2 .

It is not a de Polignac number, because 115801101 - 2¹⁴ = 115784717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115801111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 494760 + ... + 494993.

It is an arithmetic number, because the mean of its divisors is an integer number (15011269).

Almost surely, 2^115801101 is an apocalyptic number.

It is an amenable number.

115801101 is a deficient number, since it is larger than the sum of its proper divisors (64334127).

115801101 is a wasteful number, since it uses less digits than its factorization.

115801101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989772 (or 989769 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 18.

The square root of 115801101 is about 10761.0919984916. The cubic root of 115801101 is about 487.4209923244.

Adding to 115801101 its reverse (101108511), we get a palindrome (216909612).

The spelling of 115801101 in words is "one hundred fifteen million, eight hundred one thousand, one hundred one".