4815489887811 has 18 divisors (see below), whose sum is σ = 7271278478828. Its totient is φ = 3070747171800.

The previous prime is 4815489887783. The next prime is 4815489887939. The reversal of 4815489887811 is 1187889845184.

4815489887811 is a `hidden beast` number, since 4 + 8 + 1 + 548 + 9 + 8 + 8 + 78 + 1 + 1 = 666.

It is not a de Polignac number, because 4815489887811 - 2¹³ = 4815489879619 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4815489887811.

It is not an unprimeable number, because it can be changed into a prime (4815489880811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 505717765 + ... + 505727286.

Almost surely, 2^{4815489887811} is an apocalyptic number.

4815489887811 is a deficient number, since it is larger than the sum of its proper divisors (2455788591017).

4815489887811 is a wasteful number, since it uses less digits than its factorization.

4815489887811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011445103 (or 1011445077 counting only the distinct ones).

The product of its digits is 165150720, while the sum is 72.

The spelling of 4815489887811 in words is "four trillion, eight hundred fifteen billion, four hundred eighty-nine million, eight hundred eighty-seven thousand, eight hundred eleven".