11303203279 has 2 divisors, whose sum is σ = 11303203280. Its totient is φ = 11303203278.

The previous prime is 11303203207. The next prime is 11303203319. The reversal of 11303203279 is 97230230311.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11303203279 - 2⁹ = 11303202767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11303203279.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11303203579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5651601639 + 5651601640.

It is an arithmetic number, because the mean of its divisors is an integer number (5651601640).

Almost surely, 2^11303203279 is an apocalyptic number.

11303203279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11303203279 is an equidigital number, since it uses as much as digits as its factorization.

11303203279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 31.

The spelling of 11303203279 in words is "eleven billion, three hundred three million, two hundred three thousand, two hundred seventy-nine".