111043403013077 has 2 divisors, whose sum is σ = 111043403013078. Its totient is φ = 111043403013076.

The previous prime is 111043403012981. The next prime is 111043403013161. The reversal of 111043403013077 is 770310304340111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74683576345156 + 36359826667921 = 8641966^2 + 6029911^2 .

It is a cyclic number.

It is not a de Polignac number, because 111043403013077 - 2¹⁴ = 111043402996693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111043403013877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55521701506538 + 55521701506539.

It is an arithmetic number, because the mean of its divisors is an integer number (55521701506539).

Almost surely, 2^{111043403013077} is an apocalyptic number.

It is an amenable number.

111043403013077 is a deficient number, since it is larger than the sum of its proper divisors (1).

111043403013077 is an equidigital number, since it uses as much as digits as its factorization.

111043403013077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

Adding to 111043403013077 its reverse (770310304340111), we get a palindrome (881353707353188).

The spelling of 111043403013077 in words is "one hundred eleven trillion, forty-three billion, four hundred three million, thirteen thousand, seventy-seven".