111219952603 has 2 divisors, whose sum is σ = 111219952604. Its totient is φ = 111219952602.

The previous prime is 111219952589. The next prime is 111219952633. The reversal of 111219952603 is 306259912111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111219952603 is a prime.

It is not a weakly prime, because it can be changed into another prime (111219952633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55609976301 + 55609976302.

It is an arithmetic number, because the mean of its divisors is an integer number (55609976302).

Almost surely, 2^111219952603 is an apocalyptic number.

111219952603 is a deficient number, since it is larger than the sum of its proper divisors (1).

111219952603 is an equidigital number, since it uses as much as digits as its factorization.

111219952603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 111219952603 in words is "one hundred eleven billion, two hundred nineteen million, nine hundred fifty-two thousand, six hundred three".