5115778107 has 32 divisors (see below), whose sum is σ = 7501756416. Its totient is φ = 3075321600.

The previous prime is 5115778093. The next prime is 5115778111. The reversal of 5115778107 is 7018775115.

It is not a de Polignac number, because 5115778107 - 2⁶ = 5115778043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5115778807) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2302257 + ... + 2304477.

It is an arithmetic number, because the mean of its divisors is an integer number (234429888).

Almost surely, 2^5115778107 is an apocalyptic number.

5115778107 is a deficient number, since it is larger than the sum of its proper divisors (2385978309).

5115778107 is a wasteful number, since it uses less digits than its factorization.

5115778107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2771.

The product of its (nonzero) digits is 68600, while the sum is 42.

The square root of 5115778107 is about 71524.6678216684. The cubic root of 5115778107 is about 1723.0738825475.

The spelling of 5115778107 in words is "five billion, one hundred fifteen million, seven hundred seventy-eight thousand, one hundred seven".