77053211122211 has 16 divisors (see below), whose sum is σ = 78884232911616. Its totient is φ = 75223971992736.

The previous prime is 77053211122193. The next prime is 77053211122247. The reversal of 77053211122211 is 11222111235077.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77053211122211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77053214122211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1373640881 + ... + 1373696973.

It is an arithmetic number, because the mean of its divisors is an integer number (4930264556976).

Almost surely, 2^{77053211122211} is an apocalyptic number.

77053211122211 is a deficient number, since it is larger than the sum of its proper divisors (1831021789405).

77053211122211 is a wasteful number, since it uses less digits than its factorization.

77053211122211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71402.

The product of its (nonzero) digits is 11760, while the sum is 35.

Adding to 77053211122211 its reverse (11222111235077), we get a palindrome (88275322357288).

The spelling of 77053211122211 in words is "seventy-seven trillion, fifty-three billion, two hundred eleven million, one hundred twenty-two thousand, two hundred eleven".