25545030867 has 12 divisors (see below), whose sum is σ = 37073254504. Its totient is φ = 16949308320.

The previous prime is 25545030851. The next prime is 25545030877. The reversal of 25545030867 is 76803054552.

25545030867 is a `hidden beast` number, since 2 + 554 + 5 + 0 + 30 + 8 + 67 = 666.

It is not a de Polignac number, because 25545030867 - 2⁴ = 25545030851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25545030877) 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, 6724018 + ... + 6727815.

Almost surely, 2^25545030867 is an apocalyptic number.

25545030867 is a deficient number, since it is larger than the sum of its proper divisors (11528223637).

25545030867 is a wasteful number, since it uses less digits than its factorization.

25545030867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13452050 (or 13452047 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 25545030867 in words is "twenty-five billion, five hundred forty-five million, thirty thousand, eight hundred sixty-seven".