5187115242 has 24 divisors (see below), whose sum is σ = 11899853316. Its totient is φ = 1627330176.

The previous prime is 5187115223. The next prime is 5187115249. The reversal of 5187115242 is 2425117815.

It is a happy number.

5187115242 is a `hidden beast` number, since 51 + 87 + 1 + 1 + 524 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5131000161 + 56115081 = 71631^2 + 7491^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5187115197 and 5187115206.

It is not an unprimeable number, because it can be changed into a prime (5187115249) 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, 8475373 + ... + 8475984.

Almost surely, 2^5187115242 is an apocalyptic number.

5187115242 is an abundant number, since it is smaller than the sum of its proper divisors (6712738074).

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

5187115242 is a wasteful number, since it uses less digits than its factorization.

5187115242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16951382 (or 16951379 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 5187115242 is about 72021.6303758808. The cubic root of 5187115242 is about 1731.0460936857.

The spelling of 5187115242 in words is "five billion, one hundred eighty-seven million, one hundred fifteen thousand, two hundred forty-two".