8425842111 has 12 divisors (see below), whose sum is σ = 12228344440. Its totient is φ = 5590604880.

The previous prime is 8425842101. The next prime is 8425842127. The reversal of 8425842111 is 1112485248.

8425842111 is a `hidden beast` number, since 8 + 42 + 584 + 21 + 11 = 666.

It is not a de Polignac number, because 8425842111 - 2¹³ = 8425833919 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 (8425842101) 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, 2216596 + ... + 2220393.

Almost surely, 2^8425842111 is an apocalyptic number.

8425842111 is a deficient number, since it is larger than the sum of its proper divisors (3802502329).

8425842111 is a wasteful number, since it uses less digits than its factorization.

8425842111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437206 (or 4437203 counting only the distinct ones).

The product of its digits is 20480, while the sum is 36.

The square root of 8425842111 is about 91792.3859097256. The cubic root of 8425842111 is about 2034.8751690518.

The spelling of 8425842111 in words is "eight billion, four hundred twenty-five million, eight hundred forty-two thousand, one hundred eleven".