11009198530 has 16 divisors (see below), whose sum is σ = 21618062784. Its totient is φ = 4003344880.

The previous prime is 11009198509. The next prime is 11009198537. The reversal of 11009198530 is 3589190011.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 11009198530.

It is not an unprimeable number, because it can be changed into a prime (11009198537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50041702 + ... + 50041921.

It is an arithmetic number, because the mean of its divisors is an integer number (1351128924).

Almost surely, 2^11009198530 is an apocalyptic number.

11009198530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11009198530 is a deficient number, since it is larger than the sum of its proper divisors (10608864254).

11009198530 is a wasteful number, since it uses less digits than its factorization.

11009198530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100083641.

The product of its (nonzero) digits is 9720, while the sum is 37.

The spelling of 11009198530 in words is "eleven billion, nine million, one hundred ninety-eight thousand, five hundred thirty".