25064165005 has 32 divisors (see below), whose sum is σ = 34201203840. Its totient is φ = 17471013120.

The previous prime is 25064164987. The next prime is 25064165023. The reversal of 25064165005 is 50056146052.

It is an interprime number because it is at equal distance from previous prime (25064164987) and next prime (25064165023).

It is not a de Polignac number, because 25064165005 - 2¹¹ = 25064162957 is a prime.

It is a congruent 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, 44431 + ... + 228259.

It is an arithmetic number, because the mean of its divisors is an integer number (1068787620).

Almost surely, 2^25064165005 is an apocalyptic number.

It is an amenable number.

25064165005 is a deficient number, since it is larger than the sum of its proper divisors (9137038835).

25064165005 is a wasteful number, since it uses less digits than its factorization.

25064165005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183949.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 25064165005 in words is "twenty-five billion, sixty-four million, one hundred sixty-five thousand, five".