6511334040630 has 96 divisors (see below), whose sum is σ = 16959406464000. Its totient is φ = 1733287864896.

The previous prime is 6511334040619. The next prime is 6511334040661. The reversal of 6511334040630 is 360404331156.

6511334040630 is a `hidden beast` number, since 6 + 5 + 1 + 13 + 3 + 4 + 0 + 4 + 0 + 630 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121728231 + ... + 121781709.

It is an arithmetic number, because the mean of its divisors is an integer number (176660484000).

Almost surely, 2^{6511334040630} is an apocalyptic number.

6511334040630 is an abundant number, since it is smaller than the sum of its proper divisors (10448072423370).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6511334040630 is a wasteful number, since it uses less digits than its factorization.

6511334040630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55858 (or 55855 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 6511334040630 its reverse (360404331156), we get a palindrome (6871738371786).

The spelling of 6511334040630 in words is "six trillion, five hundred eleven billion, three hundred thirty-four million, forty thousand, six hundred thirty".