25227145071 has 6 divisors (see below), whose sum is σ = 36439209560. Its totient is φ = 16818096708.

The previous prime is 25227145067. The next prime is 25227145079. The reversal of 25227145071 is 17054172252.

25227145071 is a `hidden beast` number, since 2 + 522 + 7 + 14 + 50 + 71 = 666.

It is not a de Polignac number, because 25227145071 - 2² = 25227145067 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25227145079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1401508051 + ... + 1401508068.

Almost surely, 2^25227145071 is an apocalyptic number.

25227145071 is a deficient number, since it is larger than the sum of its proper divisors (11212064489).

25227145071 is a wasteful number, since it uses less digits than its factorization.

25227145071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2803016125 (or 2803016122 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 25227145071 in words is "twenty-five billion, two hundred twenty-seven million, one hundred forty-five thousand, seventy-one".