26152388089 has 3 divisors (see below), whose sum is σ = 26152549807. Its totient is φ = 26152226372.

The previous prime is 26152388057. The next prime is 26152388111. The reversal of 26152388089 is 98088325162.

The square root of 26152388089 is 161717.

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 can be written as a sum of positive squares in only one way, i.e., 20748962025 + 5403426064 = 144045^2 + 73508^2 .

It is not a de Polignac number, because 26152388089 - 2⁵ = 26152388057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26152398089) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 80859 + ... + 242575.

Almost surely, 2^26152388089 is an apocalyptic number.

26152388089 is the 161717-th square number.

26152388089 is the 80859-th centered octagonal number.

It is an amenable number.

26152388089 is a deficient number, since it is larger than the sum of its proper divisors (161718).

26152388089 is an frugal number, since it uses more digits than its factorization.

26152388089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323434 (or 161717 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 26152388089 in words is "twenty-six billion, one hundred fifty-two million, three hundred eighty-eight thousand, eighty-nine".