26534912952025 has 9 divisors (see below), whose sum is σ = 32903323998013. Its totient is φ = 21227909756800.

The previous prime is 26534912952001. The next prime is 26534912952029. The reversal of 26534912952025 is 52025921943562.

The square root of 26534912952025 is 5151205.

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

It can be written as a sum of positive squares in 4 ways, for example, as 9352263073609 + 17182649878416 = 3058147^2 + 4145196^2 .

It is not a de Polignac number, because 26534912952025 - 2³⁵ = 26500553213657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26534912952029) 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, 25240905 + ... + 26271145.

Almost surely, 2^{26534912952025} is an apocalyptic number.

26534912952025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26534912952025 is the 5151205-th square number.

26534912952025 is the 2575603-rd centered octagonal number.

It is an amenable number.

26534912952025 is a deficient number, since it is larger than the sum of its proper divisors (6368411045988).

26534912952025 is an frugal number, since it uses more digits than its factorization.

26534912952025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060492 (or 1030246 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 26534912952025 in words is "twenty-six trillion, five hundred thirty-four billion, nine hundred twelve million, nine hundred fifty-two thousand, twenty-five".