111988003 has 2 divisors, whose sum is σ = 111988004. Its totient is φ = 111988002.

The previous prime is 111987979. The next prime is 111988013. The reversal of 111988003 is 300889111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111988003 - 2¹⁷ = 111856931 is a prime.

It is not a weakly prime, because it can be changed into another prime (111988013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55994001 + 55994002.

It is an arithmetic number, because the mean of its divisors is an integer number (55994002).

Almost surely, 2^111988003 is an apocalyptic number.

111988003 is a deficient number, since it is larger than the sum of its proper divisors (1).

111988003 is an equidigital number, since it uses as much as digits as its factorization.

111988003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 111988003 is about 10582.4384241062. The cubic root of 111988003 is about 482.0112412224.

The spelling of 111988003 in words is "one hundred eleven million, nine hundred eighty-eight thousand, three".