25026066065 has 32 divisors (see below), whose sum is σ = 40321725696. Its totient is φ = 14400610560.

The previous prime is 25026066053. The next prime is 25026066071. The reversal of 25026066065 is 56066062052.

It is not a de Polignac number, because 25026066065 - 2⁶ = 25026066001 is a prime.

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, 2495102 + ... + 2505111.

It is an arithmetic number, because the mean of its divisors is an integer number (1260053928).

Almost surely, 2^25026066065 is an apocalyptic number.

It is an amenable number.

25026066065 is a deficient number, since it is larger than the sum of its proper divisors (15295659631).

25026066065 is a wasteful number, since it uses less digits than its factorization.

25026066065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5000249.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 25026066065 in words is "twenty-five billion, twenty-six million, sixty-six thousand, sixty-five".