11101903 has 2 divisors, whose sum is σ = 11101904. Its totient is φ = 11101902.

The previous prime is 11101897. The next prime is 11101919. The reversal of 11101903 is 30910111.

It is a happy number.

It is an a-pointer prime, because the next prime (11101919) can be obtained adding 11101903 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11101903 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550951 + 5550952.

It is an arithmetic number, because the mean of its divisors is an integer number (5550952).

Almost surely, 2^11101903 is an apocalyptic number.

11101903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101903 is an equidigital number, since it uses as much as digits as its factorization.

11101903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 16.

The square root of 11101903 is about 3331.9518303841. The cubic root of 11101903 is about 223.0826575281.

The spelling of 11101903 in words is "eleven million, one hundred one thousand, nine hundred three".