26132949505 has 16 divisors (see below), whose sum is σ = 35549277120. Its totient is φ = 18282483648.

The previous prime is 26132949503. The next prime is 26132949569. The reversal of 26132949505 is 50594923162.

It is not a de Polignac number, because 26132949505 - 2¹ = 26132949503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26132949503) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 10578907 + ... + 10581376.

It is an arithmetic number, because the mean of its divisors is an integer number (2221829820).

Almost surely, 2^26132949505 is an apocalyptic number.

It is an amenable number.

26132949505 is a deficient number, since it is larger than the sum of its proper divisors (9416327615).

26132949505 is a wasteful number, since it uses less digits than its factorization.

26132949505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21160320.

The product of its (nonzero) digits is 583200, while the sum is 46.

The spelling of 26132949505 in words is "twenty-six billion, one hundred thirty-two million, nine hundred forty-nine thousand, five hundred five".