5109113778 has 16 divisors (see below), whose sum is σ = 10224269280. Its totient is φ = 1702030976.

The previous prime is 5109113761. The next prime is 5109113783. The reversal of 5109113778 is 8773119015.

It is a happy number.

It is a super-2 number, since 2×5109113778² = 52206087193098866568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240708 + ... + 261071.

It is an arithmetic number, because the mean of its divisors is an integer number (639016830).

Almost surely, 2^5109113778 is an apocalyptic number.

5109113778 is an abundant number, since it is smaller than the sum of its proper divisors (5115155502).

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

5109113778 is a wasteful number, since it uses less digits than its factorization.

5109113778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503481.

The product of its (nonzero) digits is 52920, while the sum is 42.

The square root of 5109113778 is about 71478.0650129814. The cubic root of 5109113778 is about 1722.3253407500.

The spelling of 5109113778 in words is "five billion, one hundred nine million, one hundred thirteen thousand, seven hundred seventy-eight".