2768812511306 has 16 divisors (see below), whose sum is σ = 4169736503424. Its totient is φ = 1378907241504.

The previous prime is 2768812511291. The next prime is 2768812511363. The reversal of 2768812511306 is 6031152188672.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920546 + ... + 2526861.

It is an arithmetic number, because the mean of its divisors is an integer number (260608531464).

Almost surely, 2^{2768812511306} is an apocalyptic number.

2768812511306 is a deficient number, since it is larger than the sum of its proper divisors (1400923992118).

2768812511306 is a wasteful number, since it uses less digits than its factorization.

2768812511306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449005.

The product of its (nonzero) digits is 967680, while the sum is 50.

Adding to 2768812511306 its reverse (6031152188672), we get a palindrome (8799964699978).

The spelling of 2768812511306 in words is "two trillion, seven hundred sixty-eight billion, eight hundred twelve million, five hundred eleven thousand, three hundred six".