111338738677 has 2 divisors, whose sum is σ = 111338738678. Its totient is φ = 111338738676.

The previous prime is 111338738671. The next prime is 111338738683. The reversal of 111338738677 is 776837833111.

It is a balanced prime because it is at equal distance from previous prime (111338738671) and next prime (111338738683).

It can be written as a sum of positive squares in only one way, i.e., 68145014116 + 43193724561 = 261046^2 + 207831^2 .

It is a cyclic number.

It is not a de Polignac number, because 111338738677 - 2³ = 111338738669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111338738671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55669369338 + 55669369339.

It is an arithmetic number, because the mean of its divisors is an integer number (55669369339).

Almost surely, 2^111338738677 is an apocalyptic number.

It is an amenable number.

111338738677 is a deficient number, since it is larger than the sum of its proper divisors (1).

111338738677 is an equidigital number, since it uses as much as digits as its factorization.

111338738677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3556224, while the sum is 55.

The spelling of 111338738677 in words is "one hundred eleven billion, three hundred thirty-eight million, seven hundred thirty-eight thousand, six hundred seventy-seven".