56021533512011 has 2 divisors, whose sum is σ = 56021533512012. Its totient is φ = 56021533512010.

The previous prime is 56021533511899. The next prime is 56021533512089. The reversal of 56021533512011 is 11021533512065.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56021533512011 is a prime.

It is not a weakly prime, because it can be changed into another prime (56021533562011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28010766756005 + 28010766756006.

It is an arithmetic number, because the mean of its divisors is an integer number (28010766756006).

Almost surely, 2^{56021533512011} is an apocalyptic number.

56021533512011 is a deficient number, since it is larger than the sum of its proper divisors (1).

56021533512011 is an equidigital number, since it uses as much as digits as its factorization.

56021533512011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 56021533512011 in words is "fifty-six trillion, twenty-one billion, five hundred thirty-three million, five hundred twelve thousand, eleven".