8861512113 has 6 divisors (see below), whose sum is σ = 12799961954. Its totient is φ = 5907674736.

The previous prime is 8861512097. The next prime is 8861512129. The reversal of 8861512113 is 3112151688.

8861512113 is a `hidden beast` number, since 8 + 8 + 615 + 1 + 21 + 13 = 666.

It is an interprime number because it is at equal distance from previous prime (8861512097) and next prime (8861512129).

It can be written as a sum of positive squares in only one way, i.e., 8848788624 + 12723489 = 94068^2 + 3567^2 .

It is not a de Polignac number, because 8861512113 - 2⁴ = 8861512097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8861512183) 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, 492306220 + ... + 492306237.

Almost surely, 2^8861512113 is an apocalyptic number.

It is an amenable number.

8861512113 is a deficient number, since it is larger than the sum of its proper divisors (3938449841).

8861512113 is a wasteful number, since it uses less digits than its factorization.

8861512113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984612463 (or 984612460 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 8861512113 is about 94135.6049165245. The cubic root of 8861512113 is about 2069.3595000795.

The spelling of 8861512113 in words is "eight billion, eight hundred sixty-one million, five hundred twelve thousand, one hundred thirteen".