6630018387811 has 16 divisors (see below), whose sum is σ = 8160098867200. Its totient is φ = 5245679825568.

The previous prime is 6630018387791. The next prime is 6630018387859. The reversal of 6630018387811 is 1187838100366.

It is not a de Polignac number, because 6630018387811 - 2²³ = 6630009999203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6630018387911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11832730 + ... + 12380368.

It is an arithmetic number, because the mean of its divisors is an integer number (510006179200).

Almost surely, 2^{6630018387811} is an apocalyptic number.

6630018387811 is a deficient number, since it is larger than the sum of its proper divisors (1530080479389).

6630018387811 is a wasteful number, since it uses less digits than its factorization.

6630018387811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680698.

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 6630018387811 in words is "six trillion, six hundred thirty billion, eighteen million, three hundred eighty-seven thousand, eight hundred eleven".