56061100121011 has 16 divisors (see below), whose sum is σ = 56858360832000. Its totient is φ = 55266753841408.

The previous prime is 56061100120979. The next prime is 56061100121053. The reversal of 56061100121011 is 11012100116065.

It is a cyclic number.

It is not a de Polignac number, because 56061100121011 - 2⁵ = 56061100120979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56061100121911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927381315 + ... + 927441763.

It is an arithmetic number, because the mean of its divisors is an integer number (3553647552000).

Almost surely, 2^{56061100121011} is an apocalyptic number.

56061100121011 is a deficient number, since it is larger than the sum of its proper divisors (797260710989).

56061100121011 is a wasteful number, since it uses less digits than its factorization.

56061100121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84338.

The product of its (nonzero) digits is 360, while the sum is 25.

Adding to 56061100121011 its reverse (11012100116065), we get a palindrome (67073200237076).

The spelling of 56061100121011 in words is "fifty-six trillion, sixty-one billion, one hundred million, one hundred twenty-one thousand, eleven".