111340243477 has 2 divisors, whose sum is σ = 111340243478. Its totient is φ = 111340243476.

The previous prime is 111340243433. The next prime is 111340243507. The reversal of 111340243477 is 774342043111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 105589902916 + 5750340561 = 324946^2 + 75831^2 .

It is a cyclic number.

It is not a de Polignac number, because 111340243477 - 2³¹ = 109192759829 is a prime.

It is a super-5 number, since 5×111340243477⁵ (a number of 56 digits) contains 55555 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111340243177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55670121738 + 55670121739.

It is an arithmetic number, because the mean of its divisors is an integer number (55670121739).

Almost surely, 2^111340243477 is an apocalyptic number.

It is an amenable number.

111340243477 is a deficient number, since it is larger than the sum of its proper divisors (1).

111340243477 is an equidigital number, since it uses as much as digits as its factorization.

111340243477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

Adding to 111340243477 its reverse (774342043111), we get a palindrome (885682286588).

The spelling of 111340243477 in words is "one hundred eleven billion, three hundred forty million, two hundred forty-three thousand, four hundred seventy-seven".