26130515 has 8 divisors (see below), whose sum is σ = 31442928. Its totient is φ = 20846880.

The previous prime is 26130499. The next prime is 26130521. The reversal of 26130515 is 51503162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26130515 - 2⁴ = 26130499 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5141 + ... + 8870.

It is an arithmetic number, because the mean of its divisors is an integer number (3930366).

Almost surely, 2^26130515 is an apocalyptic number.

26130515 is a deficient number, since it is larger than the sum of its proper divisors (5312413).

26130515 is a wasteful number, since it uses less digits than its factorization.

26130515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14389.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 26130515 is about 5111.8015415311. The cubic root of 26130515 is about 296.7444850494.

Adding to 26130515 its reverse (51503162), we get a palindrome (77633677).

The spelling of 26130515 in words is "twenty-six million, one hundred thirty thousand, five hundred fifteen".