11554660455011 has 2 divisors, whose sum is σ = 11554660455012. Its totient is φ = 11554660455010.

The previous prime is 11554660455007. The next prime is 11554660455047. The reversal of 11554660455011 is 11055406645511.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11554660455011 - 2² = 11554660455007 is a prime.

It is not a weakly prime, because it can be changed into another prime (11554660455311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777330227505 + 5777330227506.

It is an arithmetic number, because the mean of its divisors is an integer number (5777330227506).

Almost surely, 2^{11554660455011} is an apocalyptic number.

11554660455011 is a deficient number, since it is larger than the sum of its proper divisors (1).

11554660455011 is an equidigital number, since it uses as much as digits as its factorization.

11554660455011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360000, while the sum is 44.

The spelling of 11554660455011 in words is "eleven trillion, five hundred fifty-four billion, six hundred sixty million, four hundred fifty-five thousand, eleven".