11097530 has 16 divisors (see below), whose sum is σ = 20014344. Its totient is φ = 4430400.

The previous prime is 11097497. The next prime is 11097551. The reversal of 11097530 is 3579011.

It can be written as a sum of positive squares in 4 ways, for example, as 2211169 + 8886361 = 1487^2 + 2981^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11097530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7880 + ... + 9180.

Almost surely, 2^11097530 is an apocalyptic number.

11097530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11097530 is a deficient number, since it is larger than the sum of its proper divisors (8916814).

11097530 is a wasteful number, since it uses less digits than its factorization.

11097530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161.

The product of its (nonzero) digits is 945, while the sum is 26.

The square root of 11097530 is about 3331.2955437787. The cubic root of 11097530 is about 223.0533631937.

The spelling of 11097530 in words is "eleven million, ninety-seven thousand, five hundred thirty".