11097243648 has 320 divisors, whose sum is σ = 34351612020. Its totient is φ = 3567255552.

The previous prime is 11097243637. The next prime is 11097243679. The reversal of 11097243648 is 84634279011.

11097243648 is a `hidden beast` number, since 1 + 109 + 72 + 436 + 48 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10989748224 + 107495424 = 104832^2 + 10368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 98205640 + ... + 98205752.

Almost surely, 2^11097243648 is an apocalyptic number.

11097243648 is a gapful number since it is divisible by the number (18) 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 11097243648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17175806010).

11097243648 is an abundant number, since it is smaller than the sum of its proper divisors (23254368372).

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

11097243648 is an frugal number, since it uses more digits than its factorization.

11097243648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 11097243648 in words is "eleven billion, ninety-seven million, two hundred forty-three thousand, six hundred forty-eight".