111546312077 has 2 divisors, whose sum is σ = 111546312078. Its totient is φ = 111546312076.

The previous prime is 111546312029. The next prime is 111546312103. The reversal of 111546312077 is 770213645111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60074500201 + 51471811876 = 245101^2 + 226874^2 .

It is a cyclic number.

It is not a de Polignac number, because 111546312077 - 2¹² = 111546307981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111546312077.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111546312377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55773156038 + 55773156039.

It is an arithmetic number, because the mean of its divisors is an integer number (55773156039).

Almost surely, 2^111546312077 is an apocalyptic number.

It is an amenable number.

111546312077 is a deficient number, since it is larger than the sum of its proper divisors (1).

111546312077 is an equidigital number, since it uses as much as digits as its factorization.

111546312077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 35280, while the sum is 38.

Adding to 111546312077 its reverse (770213645111), we get a palindrome (881759957188).

The spelling of 111546312077 in words is "one hundred eleven billion, five hundred forty-six million, three hundred twelve thousand, seventy-seven".