7115142384 has 200 divisors, whose sum is σ = 23718803328. Its totient is φ = 2017042560.

The previous prime is 7115142313. The next prime is 7115142389. The reversal of 7115142384 is 4832415117.

7115142384 is a `hidden beast` number, since 7 + 1 + 151 + 423 + 84 = 666.

It is a super-2 number, since 2×7115142384² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7115142389) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1185439 + ... + 1191425.

Almost surely, 2^7115142384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7115142384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11859401664).

7115142384 is an abundant number, since it is smaller than the sum of its proper divisors (16603660944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7115142384 is a wasteful number, since it uses less digits than its factorization.

7115142384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6145 (or 6130 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 7115142384 is about 84351.3033924195. The cubic root of 7115142384 is about 1923.3627397810.

The spelling of 7115142384 in words is "seven billion, one hundred fifteen million, one hundred forty-two thousand, three hundred eighty-four".