11303030145 has 32 divisors (see below), whose sum is σ = 19743813504. Its totient is φ = 5476121600.

The previous prime is 11303030143. The next prime is 11303030161. The reversal of 11303030145 is 54103030311.

It is not a de Polignac number, because 11303030145 - 2¹ = 11303030143 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11303030143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199399 + ... + 249731.

It is an arithmetic number, because the mean of its divisors is an integer number (616994172).

Almost surely, 2^11303030145 is an apocalyptic number.

11303030145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11303030145 is a deficient number, since it is larger than the sum of its proper divisors (8440783359).

11303030145 is a wasteful number, since it uses less digits than its factorization.

11303030145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51713.

The product of its (nonzero) digits is 540, while the sum is 21.

Adding to 11303030145 its reverse (54103030311), we get a palindrome (65406060456).

The spelling of 11303030145 in words is "eleven billion, three hundred three million, thirty thousand, one hundred forty-five".