5111242787 has 8 divisors (see below), whose sum is σ = 5853619200. Its totient is φ = 4371916104.

The previous prime is 5111242783. The next prime is 5111242793. The reversal of 5111242787 is 7872421115.

5111242787 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5111242787 - 2² = 5111242783 is a prime.

It is a super-2 number, since 2×5111242787² = 52249605655319054738, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5111242787.

It is not an unprimeable number, because it can be changed into a prime (5111242783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758837 + ... + 765542.

It is an arithmetic number, because the mean of its divisors is an integer number (731702400).

Almost surely, 2^5111242787 is an apocalyptic number.

5111242787 is a deficient number, since it is larger than the sum of its proper divisors (742376413).

5111242787 is a wasteful number, since it uses less digits than its factorization.

5111242787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524865.

The product of its digits is 31360, while the sum is 38.

The square root of 5111242787 is about 71492.9562054892. The cubic root of 5111242787 is about 1722.5645431567.

The spelling of 5111242787 in words is "five billion, one hundred eleven million, two hundred forty-two thousand, seven hundred eighty-seven".