2011273648511 has 2 divisors, whose sum is σ = 2011273648512. Its totient is φ = 2011273648510.

The previous prime is 2011273648469. The next prime is 2011273648541. The reversal of 2011273648511 is 1158463721102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011273648511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011273648541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005636824255 + 1005636824256.

It is an arithmetic number, because the mean of its divisors is an integer number (1005636824256).

Almost surely, 2^{2011273648511} is an apocalyptic number.

2011273648511 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011273648511 is an equidigital number, since it uses as much as digits as its factorization.

2011273648511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 2011273648511 in words is "two trillion, eleven billion, two hundred seventy-three million, six hundred forty-eight thousand, five hundred eleven".