11231908903 has 2 divisors, whose sum is σ = 11231908904. Its totient is φ = 11231908902.

The previous prime is 11231908861. The next prime is 11231908907. The reversal of 11231908903 is 30980913211.

It is a strong prime.

It is an emirp because it is prime and its reverse (30980913211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11231908903 - 2³³ = 2641974311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11231908907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5615954451 + 5615954452.

It is an arithmetic number, because the mean of its divisors is an integer number (5615954452).

Almost surely, 2^11231908903 is an apocalyptic number.

11231908903 is a deficient number, since it is larger than the sum of its proper divisors (1).

11231908903 is an equidigital number, since it uses as much as digits as its factorization.

11231908903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 37.

The spelling of 11231908903 in words is "eleven billion, two hundred thirty-one million, nine hundred eight thousand, nine hundred three".