111331424377 has 2 divisors, whose sum is σ = 111331424378. Its totient is φ = 111331424376.

The previous prime is 111331424359. The next prime is 111331424383. The reversal of 111331424377 is 773424133111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108859743721 + 2471680656 = 329939^2 + 49716^2 .

It is a cyclic number.

It is not a de Polignac number, because 111331424377 - 2¹⁵ = 111331391609 is a prime.

It is not a weakly prime, because it can be changed into another prime (111331424317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55665712188 + 55665712189.

It is an arithmetic number, because the mean of its divisors is an integer number (55665712189).

Almost surely, 2^111331424377 is an apocalyptic number.

It is an amenable number.

111331424377 is a deficient number, since it is larger than the sum of its proper divisors (1).

111331424377 is an equidigital number, since it uses as much as digits as its factorization.

111331424377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 37.

Adding to 111331424377 its reverse (773424133111), we get a palindrome (884755557488).

The spelling of 111331424377 in words is "one hundred eleven billion, three hundred thirty-one million, four hundred twenty-four thousand, three hundred seventy-seven".