11097197500 has 60 divisors (see below), whose sum is σ = 24331867560. Its totient is φ = 4427080000.

The previous prime is 11097197497. The next prime is 11097197521. The reversal of 11097197500 is 579179011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 966795 + ... + 978205.

It is an arithmetic number, because the mean of its divisors is an integer number (405531126).

Almost surely, 2^11097197500 is an apocalyptic number.

11097197500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11097197500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12165933780).

11097197500 is an abundant number, since it is smaller than the sum of its proper divisors (13234670060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11097197500 is a wasteful number, since it uses less digits than its factorization.

11097197500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11824 (or 11807 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 40.

The spelling of 11097197500 in words is "eleven billion, ninety-seven million, one hundred ninety-seven thousand, five hundred".