12648842354811 has 16 divisors (see below), whose sum is σ = 19230819146784. Its totient is φ = 7326026340864.

The previous prime is 12648842354807. The next prime is 12648842354831. The reversal of 12648842354811 is 11845324884621.

It is not a de Polignac number, because 12648842354811 - 2² = 12648842354807 is a prime.

It is a super-2 number, since 2×12648842354811² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12648842354801) 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, 9539096136 + ... + 9539097461.

It is an arithmetic number, because the mean of its divisors is an integer number (1201926196674).

Almost surely, 2^{12648842354811} is an apocalyptic number.

12648842354811 is a deficient number, since it is larger than the sum of its proper divisors (6581976791973).

12648842354811 is a wasteful number, since it uses less digits than its factorization.

12648842354811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19078193630.

The product of its digits is 11796480, while the sum is 57.

The spelling of 12648842354811 in words is "twelve trillion, six hundred forty-eight billion, eight hundred forty-two million, three hundred fifty-four thousand, eight hundred eleven".