11203311946 has 32 divisors (see below), whose sum is σ = 17282377728. Its totient is φ = 5445032880.

The previous prime is 11203311907. The next prime is 11203311947. The reversal of 11203311946 is 64911330211.

It is not an unprimeable number, because it can be changed into a prime (11203311947) 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, 11396571 + ... + 11397553.

It is an arithmetic number, because the mean of its divisors is an integer number (540074304).

Almost surely, 2^11203311946 is an apocalyptic number.

11203311946 is a deficient number, since it is larger than the sum of its proper divisors (6079065782).

11203311946 is an equidigital number, since it uses as much as digits as its factorization.

11203311946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2106.

The product of its (nonzero) digits is 3888, while the sum is 31.

The spelling of 11203311946 in words is "eleven billion, two hundred three million, three hundred eleven thousand, nine hundred forty-six".