26525500025 has 12 divisors (see below), whose sum is σ = 32894165100. Its totient is φ = 21218758080.

The previous prime is 26525500019. The next prime is 26525500063. The reversal of 26525500025 is 52000552562.

It can be written as a sum of positive squares in 6 ways, for example, as 8835436009 + 17690064016 = 93997^2 + 133004^2 .

It is not a de Polignac number, because 26525500025 - 2⁴ = 26525500009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26525499964 and 26525500000.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368711 + ... + 434739.

It is an arithmetic number, because the mean of its divisors is an integer number (2741180425).

Almost surely, 2^26525500025 is an apocalyptic number.

26525500025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26525500025 is a deficient number, since it is larger than the sum of its proper divisors (6368665075).

26525500025 is a wasteful number, since it uses less digits than its factorization.

26525500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82108 (or 82103 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 26525500025 in words is "twenty-six billion, five hundred twenty-five million, five hundred thousand, twenty-five".