11276203109 has 4 divisors (see below), whose sum is σ = 11278872480. Its totient is φ = 11273533740.

The previous prime is 11276203067. The next prime is 11276203121. The reversal of 11276203109 is 90130267211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11276203109 - 2⁸ = 11276202853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11276203009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1328339 + ... + 1336800.

It is an arithmetic number, because the mean of its divisors is an integer number (2819718120).

Almost surely, 2^11276203109 is an apocalyptic number.

It is an amenable number.

11276203109 is a deficient number, since it is larger than the sum of its proper divisors (2669371).

11276203109 is an equidigital number, since it uses as much as digits as its factorization.

11276203109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669370.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 11276203109 in words is "eleven billion, two hundred seventy-six million, two hundred three thousand, one hundred nine".