11303130505 has 8 divisors (see below), whose sum is σ = 13688195400. Its totient is φ = 8959545216.

The previous prime is 11303130473. The next prime is 11303130539. The reversal of 11303130505 is 50503130311.

It can be written as a sum of positive squares in 4 ways, for example, as 4557465081 + 6745665424 = 67509^2 + 82132^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11303130505 - 2⁵ = 11303130473 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10369300 + ... + 10370389.

It is an arithmetic number, because the mean of its divisors is an integer number (1711024425).

Almost surely, 2^11303130505 is an apocalyptic number.

It is an amenable number.

11303130505 is a deficient number, since it is larger than the sum of its proper divisors (2385064895).

11303130505 is a wasteful number, since it uses less digits than its factorization.

11303130505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20739803.

The product of its (nonzero) digits is 675, while the sum is 22.

Adding to 11303130505 its reverse (50503130311), we get a palindrome (61806260816).

The spelling of 11303130505 in words is "eleven billion, three hundred three million, one hundred thirty thousand, five hundred five".