115500101 has 4 divisors (see below), whose sum is σ = 115628352. Its totient is φ = 115371852.

The previous prime is 115500083. The next prime is 115500109. The reversal of 115500101 is 101005511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 101005511 = 3067 ⋅32933.

It is a cyclic number.

It is not a de Polignac number, because 115500101 - 2¹⁴ = 115483717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115500109) 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, 62765 + ... + 64578.

It is an arithmetic number, because the mean of its divisors is an integer number (28907088).

Almost surely, 2^115500101 is an apocalyptic number.

It is an amenable number.

115500101 is a deficient number, since it is larger than the sum of its proper divisors (128251).

115500101 is an equidigital number, since it uses as much as digits as its factorization.

115500101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128250.

The product of its (nonzero) digits is 25, while the sum is 14.

The square root of 115500101 is about 10747.0973290466. The cubic root of 115500101 is about 486.9983106221.

Adding to 115500101 its reverse (101005511), we get a palindrome (216505612).

The spelling of 115500101 in words is "one hundred fifteen million, five hundred thousand, one hundred one".