5118947780485 has 32 divisors (see below), whose sum is σ = 7659528033024. Its totient is φ = 3190594752000.

The previous prime is 5118947780483. The next prime is 5118947780509. The reversal of 5118947780485 is 5840877498115.

It is not a de Polignac number, because 5118947780485 - 2¹ = 5118947780483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5118947780485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5118947780483) 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, 1910515 + ... + 3726655.

It is an arithmetic number, because the mean of its divisors is an integer number (239360251032).

Almost surely, 2^{5118947780485} is an apocalyptic number.

5118947780485 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5118947780485 is a deficient number, since it is larger than the sum of its proper divisors (2540580252539).

5118947780485 is a wasteful number, since it uses less digits than its factorization.

5118947780485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823485.

The product of its (nonzero) digits is 90316800, while the sum is 67.

The spelling of 5118947780485 in words is "five trillion, one hundred eighteen billion, nine hundred forty-seven million, seven hundred eighty thousand, four hundred eighty-five".