26525414980089 has 9 divisors (see below), whose sum is σ = 38314510622479. Its totient is φ = 17683599686160.

The previous prime is 26525414980087. The next prime is 26525414980133. The reversal of 26525414980089 is 98008941452562.

The square root of 26525414980089 is 5150283.

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

26525414980089 is a `hidden beast` number, since 2 + 6 + 5 + 2 + 541 + 4 + 9 + 8 + 0 + 0 + 89 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22629686442489 + 3895728537600 = 4757067^2 + 1973760^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 26525414980089 - 2¹ = 26525414980087 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26525414980081) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 14592469 + ... + 16309229.

Almost surely, 2^{26525414980089} is an apocalyptic number.

26525414980089 is the 5150283-rd square number.

26525414980089 is the 2575142-nd centered octagonal number.

It is an amenable number.

26525414980089 is a deficient number, since it is larger than the sum of its proper divisors (11789095642390).

26525414980089 is an frugal number, since it uses more digits than its factorization.

26525414980089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433528 (or 1716764 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 63.

The spelling of 26525414980089 in words is "twenty-six trillion, five hundred twenty-five billion, four hundred fourteen million, nine hundred eighty thousand, eighty-nine".