56444521112011 has 2 divisors, whose sum is σ = 56444521112012. Its totient is φ = 56444521112010.

The previous prime is 56444521111991. The next prime is 56444521112059. The reversal of 56444521112011 is 11021112544465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56444521112011 - 2²¹ = 56444519014859 is a prime.

It is not a weakly prime, because it can be changed into another prime (56444521112081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28222260556005 + 28222260556006.

It is an arithmetic number, because the mean of its divisors is an integer number (28222260556006).

Almost surely, 2^{56444521112011} is an apocalyptic number.

56444521112011 is a deficient number, since it is larger than the sum of its proper divisors (1).

56444521112011 is an equidigital number, since it uses as much as digits as its factorization.

56444521112011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38400, while the sum is 37.

Adding to 56444521112011 its reverse (11021112544465), we get a palindrome (67465633656476).

The spelling of 56444521112011 in words is "fifty-six trillion, four hundred forty-four billion, five hundred twenty-one million, one hundred twelve thousand, eleven".