11418430864 has 20 divisors (see below), whose sum is σ = 22371787980. Its totient is φ = 5645066240.

The previous prime is 11418430841. The next prime is 11418430867. The reversal of 11418430864 is 46803481411.

It can be written as a sum of positive squares in 2 ways, for example, as 3552160000 + 7866270864 = 59600^2 + 88692^2 .

It is not an unprimeable number, because it can be changed into a prime (11418430867) 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, 4007857 + ... + 4010704.

It is an arithmetic number, because the mean of its divisors is an integer number (1118589399).

Almost surely, 2^11418430864 is an apocalyptic number.

It is an amenable number.

11418430864 is a deficient number, since it is larger than the sum of its proper divisors (10953357116).

11418430864 is an equidigital number, since it uses as much as digits as its factorization.

11418430864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8018658 (or 8018652 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 11418430864 in words is "eleven billion, four hundred eighteen million, four hundred thirty thousand, eight hundred sixty-four".