111403351249 has 2 divisors, whose sum is σ = 111403351250. Its totient is φ = 111403351248.

The previous prime is 111403351247. The next prime is 111403351261. The reversal of 111403351249 is 942153304111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77252311249 + 34151040000 = 277943^2 + 184800^2 .

It is a cyclic number.

It is not a de Polignac number, because 111403351249 - 2¹ = 111403351247 is a prime.

Together with 111403351247, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (111403351247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55701675624 + 55701675625.

It is an arithmetic number, because the mean of its divisors is an integer number (55701675625).

Almost surely, 2^111403351249 is an apocalyptic number.

It is an amenable number.

111403351249 is a deficient number, since it is larger than the sum of its proper divisors (1).

111403351249 is an equidigital number, since it uses as much as digits as its factorization.

111403351249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 111403351249 in words is "one hundred eleven billion, four hundred three million, three hundred fifty-one thousand, two hundred forty-nine".