25026265026265 has 32 divisors (see below), whose sum is σ = 31654319072256. Its totient is φ = 18970271124480.

The previous prime is 25026265026247. The next prime is 25026265026277. The reversal of 25026265026265 is 56262056262052.

It is a happy number.

It is not a de Polignac number, because 25026265026265 - 2⁷ = 25026265026137 is a prime.

It is a super-2 number, since 2×25026265026265² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6522027 + ... + 9622336.

It is an arithmetic number, because the mean of its divisors is an integer number (989197471008).

Almost surely, 2^{25026265026265} is an apocalyptic number.

It is an amenable number.

25026265026265 is a deficient number, since it is larger than the sum of its proper divisors (6628054045991).

25026265026265 is a wasteful number, since it uses less digits than its factorization.

25026265026265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16144609.

The product of its (nonzero) digits is 5184000, while the sum is 49.

The spelling of 25026265026265 in words is "twenty-five trillion, twenty-six billion, two hundred sixty-five million, twenty-six thousand, two hundred sixty-five".