111660657753677 has 2 divisors, whose sum is σ = 111660657753678. Its totient is φ = 111660657753676.

The previous prime is 111660657753629. The next prime is 111660657753727. The reversal of 111660657753677 is 776357756066111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 106342417564516 + 5318240189161 = 10312246^2 + 2306131^2 .

It is a cyclic number.

It is not a de Polignac number, because 111660657753677 - 2⁶ = 111660657753613 is a prime.

It is a super-3 number, since 3×111660657753677³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111660657753077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55830328876838 + 55830328876839.

It is an arithmetic number, because the mean of its divisors is an integer number (55830328876839).

Almost surely, 2^{111660657753677} is an apocalyptic number.

It is an amenable number.

111660657753677 is a deficient number, since it is larger than the sum of its proper divisors (1).

111660657753677 is an equidigital number, since it uses as much as digits as its factorization.

111660657753677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233377200, while the sum is 68.

The spelling of 111660657753677 in words is "one hundred eleven trillion, six hundred sixty billion, six hundred fifty-seven million, seven hundred fifty-three thousand, six hundred seventy-seven".