11303220293 has 4 divisors (see below), whose sum is σ = 11692986540. Its totient is φ = 10913454048.

The previous prime is 11303220277. The next prime is 11303220301. The reversal of 11303220293 is 39202230311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39202230311 = 130027 ⋅301493.

It can be written as a sum of positive squares in 2 ways, for example, as 6288172804 + 5015047489 = 79298^2 + 70817^2 .

It is a cyclic number.

It is not a de Polignac number, because 11303220293 - 2⁴ = 11303220277 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 (11303229293) 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, 194883080 + ... + 194883137.

It is an arithmetic number, because the mean of its divisors is an integer number (2923246635).

Almost surely, 2^11303220293 is an apocalyptic number.

It is an amenable number.

11303220293 is a deficient number, since it is larger than the sum of its proper divisors (389766247).

11303220293 is an equidigital number, since it uses as much as digits as its factorization.

11303220293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389766246.

The product of its (nonzero) digits is 1944, while the sum is 26.

The spelling of 11303220293 in words is "eleven billion, three hundred three million, two hundred twenty thousand, two hundred ninety-three".