11303020043 has 16 divisors (see below), whose sum is σ = 13106375616. Its totient is φ = 9547061760.

The previous prime is 11303020009. The next prime is 11303020063. The reversal of 11303020043 is 34002030311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11303020043 - 2²⁴ = 11286242827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11303020063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 600353 + ... + 618893.

It is an arithmetic number, because the mean of its divisors is an integer number (819148476).

Almost surely, 2^11303020043 is an apocalyptic number.

11303020043 is a deficient number, since it is larger than the sum of its proper divisors (1803355573).

11303020043 is a wasteful number, since it uses less digits than its factorization.

11303020043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19814.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 11303020043 its reverse (34002030311), we get a palindrome (45305050354).

The spelling of 11303020043 in words is "eleven billion, three hundred three million, twenty thousand, forty-three".