26264027515 has 16 divisors (see below), whose sum is σ = 36404471520. Its totient is φ = 17977515520.

The previous prime is 26264027513. The next prime is 26264027519. The reversal of 26264027515 is 51572046262.

It is not a de Polignac number, because 26264027515 - 2¹ = 26264027513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26264027513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14044000 + ... + 14045869.

It is an arithmetic number, because the mean of its divisors is an integer number (2275279470).

Almost surely, 2^26264027515 is an apocalyptic number.

26264027515 is a deficient number, since it is larger than the sum of its proper divisors (10140444005).

26264027515 is a wasteful number, since it uses less digits than its factorization.

26264027515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28089902.

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 26264027515 in words is "twenty-six billion, two hundred sixty-four million, twenty-seven thousand, five hundred fifteen".