10115715 has 16 divisors (see below), whose sum is σ = 16226208. Its totient is φ = 5381376.

The previous prime is 10115711. The next prime is 10115717. The reversal of 10115715 is 51751101.

It is a happy number.

It is not a de Polignac number, because 10115715 - 2² = 10115711 is a prime.

It is a super-2 number, since 2×10115715² = 204655379922450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10115691 and 10115700.

It is not an unprimeable number, because it can be changed into a prime (10115711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8709 + ... + 9801.

It is an arithmetic number, because the mean of its divisors is an integer number (1014138).

Almost surely, 2^10115715 is an apocalyptic number.

10115715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

10115715 is a deficient number, since it is larger than the sum of its proper divisors (6110493).

10115715 is a wasteful number, since it uses less digits than its factorization.

10115715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718.

The product of its (nonzero) digits is 175, while the sum is 21.

The square root of 10115715 is about 3180.5211837056. The cubic root of 10115715 is about 216.2712855077.

Adding to 10115715 its reverse (51751101), we get a palindrome (61866816).

The spelling of 10115715 in words is "ten million, one hundred fifteen thousand, seven hundred fifteen".