111110131603 has 2 divisors, whose sum is σ = 111110131604. Its totient is φ = 111110131602.

The previous prime is 111110131567. The next prime is 111110131661. The reversal of 111110131603 is 306131011111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111110131603 is a prime.

It is a super-3 number, since 3×111110131603³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (111110131663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555065801 + 55555065802.

It is an arithmetic number, because the mean of its divisors is an integer number (55555065802).

Almost surely, 2^111110131603 is an apocalyptic number.

111110131603 is a deficient number, since it is larger than the sum of its proper divisors (1).

111110131603 is an equidigital number, since it uses as much as digits as its factorization.

111110131603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 111110131603 its reverse (306131011111), we get a palindrome (417241142714).

The spelling of 111110131603 in words is "one hundred eleven billion, one hundred ten million, one hundred thirty-one thousand, six hundred three".