5148838785 has 128 divisors (see below), whose sum is σ = 9357120000. Its totient is φ = 2406039552.

The previous prime is 5148838781. The next prime is 5148838789. The reversal of 5148838785 is 5878388415.

It is an interprime number because it is at equal distance from previous prime (5148838781) and next prime (5148838789).

It is not a de Polignac number, because 5148838785 - 2² = 5148838781 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (5148838781) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 34555891 + ... + 34556039.

It is an arithmetic number, because the mean of its divisors is an integer number (73102500).

Almost surely, 2^5148838785 is an apocalyptic number.

It is an amenable number.

5148838785 is a deficient number, since it is larger than the sum of its proper divisors (4208281215).

5148838785 is a wasteful number, since it uses less digits than its factorization.

5148838785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355.

The product of its digits is 8601600, while the sum is 57.

The square root of 5148838785 is about 71755.4094476507. The cubic root of 5148838785 is about 1726.7776993930. Note that the first 3 decimals are identical.

The spelling of 5148838785 in words is "five billion, one hundred forty-eight million, eight hundred thirty-eight thousand, seven hundred eighty-five".