111331425407 has 2 divisors, whose sum is σ = 111331425408. Its totient is φ = 111331425406.

The previous prime is 111331425301. The next prime is 111331425421. The reversal of 111331425407 is 704524133111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111331425407 - 2¹⁰ = 111331424383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111331425607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55665712703 + 55665712704.

It is an arithmetic number, because the mean of its divisors is an integer number (55665712704).

Almost surely, 2^111331425407 is an apocalyptic number.

111331425407 is a deficient number, since it is larger than the sum of its proper divisors (1).

111331425407 is an equidigital number, since it uses as much as digits as its factorization.

111331425407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 111331425407 its reverse (704524133111), we get a palindrome (815855558518).

The spelling of 111331425407 in words is "one hundred eleven billion, three hundred thirty-one million, four hundred twenty-five thousand, four hundred seven".