26279265514025 has 12 divisors (see below), whose sum is σ = 32952427321500. Its totient is φ = 20787194292480.

The previous prime is 26279265513959. The next prime is 26279265514043. The reversal of 26279265514025 is 52041556297262.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 1122811498384 + 25156454015641 = 1059628^2 + 5015621^2 .

It is not a de Polignac number, because 26279265514025 - 2¹⁰ = 26279265513001 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5905450700 + ... + 5905455149.

It is an arithmetic number, because the mean of its divisors is an integer number (2746035610125).

Almost surely, 2^{26279265514025} is an apocalyptic number.

26279265514025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26279265514025 is a deficient number, since it is larger than the sum of its proper divisors (6673161807475).

26279265514025 is a wasteful number, since it uses less digits than its factorization.

26279265514025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11810905948 (or 11810905943 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 56.

The spelling of 26279265514025 in words is "twenty-six trillion, two hundred seventy-nine billion, two hundred sixty-five million, five hundred fourteen thousand, twenty-five".