111540677 has 2 divisors, whose sum is σ = 111540678. Its totient is φ = 111540676.

The previous prime is 111540661. The next prime is 111540679. The reversal of 111540677 is 776045111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 102292996 + 9247681 = 10114^2 + 3041^2 .

It is a cyclic number.

It is not a de Polignac number, because 111540677 - 2⁴ = 111540661 is a prime.

Together with 111540679, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111540679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55770338 + 55770339.

It is an arithmetic number, because the mean of its divisors is an integer number (55770339).

Almost surely, 2^111540677 is an apocalyptic number.

It is an amenable number.

111540677 is a deficient number, since it is larger than the sum of its proper divisors (1).

111540677 is an equidigital number, since it uses as much as digits as its factorization.

111540677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 111540677 is about 10561.2819771087. The cubic root of 111540677 is about 481.3686012969.

Adding to 111540677 its reverse (776045111), we get a palindrome (887585788).

The spelling of 111540677 in words is "one hundred eleven million, five hundred forty thousand, six hundred seventy-seven".