26084511049 has 3 divisors (see below), whose sum is σ = 26084672557. Its totient is φ = 26084349542.

The previous prime is 26084511041. The next prime is 26084511083. The reversal of 26084511049 is 94011548062.

The square root of 26084511049 is 161507.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 26084511049 - 2³ = 26084511041 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26084511041) 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 2 ways as a sum of consecutive naturals, for example, 80754 + ... + 242260.

Almost surely, 2^26084511049 is an apocalyptic number.

26084511049 is the 161507-th square number.

26084511049 is the 80754-th centered octagonal number.

It is an amenable number.

26084511049 is a deficient number, since it is larger than the sum of its proper divisors (161508).

26084511049 is an frugal number, since it uses more digits than its factorization.

26084511049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323014 (or 161507 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 26084511049 in words is "twenty-six billion, eighty-four million, five hundred eleven thousand, forty-nine".