25530161706071 has 12 divisors (see below), whose sum is σ = 28310415563136. Its totient is φ = 23003846416320.

The previous prime is 25530161706059. The next prime is 25530161706103. The reversal of 25530161706071 is 17060716103552.

It is a happy number.

It is not a de Polignac number, because 25530161706071 - 2³⁸ = 25255283799127 is a prime.

It is a super-2 number, since 2×25530161706071² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25530161706001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 933583991 + ... + 933611336.

It is an arithmetic number, because the mean of its divisors is an integer number (2359201296928).

Almost surely, 2^{25530161706071} is an apocalyptic number.

25530161706071 is a deficient number, since it is larger than the sum of its proper divisors (2780253857065).

25530161706071 is a wasteful number, since it uses less digits than its factorization.

25530161706071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1867195462 (or 1867195451 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 25530161706071 in words is "twenty-five trillion, five hundred thirty billion, one hundred sixty-one million, seven hundred six thousand, seventy-one".