10115505 has 24 divisors (see below), whose sum is σ = 18457920. Its totient is φ = 5110560.

The previous prime is 10115489. The next prime is 10115509. The reversal of 10115505 is 50551101.

10115505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10115505 - 2⁴ = 10115489 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10115509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5061 + ... + 6770.

It is an arithmetic number, because the mean of its divisors is an integer number (769080).

Almost surely, 2^10115505 is an apocalyptic number.

10115505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10115505 is a deficient number, since it is larger than the sum of its proper divisors (8342415).

10115505 is a wasteful number, since it uses less digits than its factorization.

10115505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11861 (or 11858 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 10115505 is about 3180.4881700770. The cubic root of 10115505 is about 216.2697889160.

Adding to 10115505 its reverse (50551101), we get a palindrome (60666606).

The spelling of 10115505 in words is "ten million, one hundred fifteen thousand, five hundred five".