6113778503 has 4 divisors (see below), whose sum is σ = 6987175440. Its totient is φ = 5240381568.

The previous prime is 6113778487. The next prime is 6113778529. The reversal of 6113778503 is 3058773116.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6113778503 - 2⁴ = 6113778487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6113778533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436698458 + ... + 436698471.

It is an arithmetic number, because the mean of its divisors is an integer number (1746793860).

Almost surely, 2^6113778503 is an apocalyptic number.

6113778503 is a deficient number, since it is larger than the sum of its proper divisors (873396937).

6113778503 is an equidigital number, since it uses as much as digits as its factorization.

6113778503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873396936.

The product of its (nonzero) digits is 105840, while the sum is 41.

The square root of 6113778503 is about 78190.6548316357. The cubic root of 6113778503 is about 1828.5348144550.

The spelling of 6113778503 in words is "six billion, one hundred thirteen million, seven hundred seventy-eight thousand, five hundred three".