11097899064 has 576 divisors, whose sum is σ = 39335362560. Its totient is φ = 2804336640.

The previous prime is 11097899039. The next prime is 11097899083. The reversal of 11097899064 is 46099879011.

It is a self number, because there is not a number n which added to its sum of digits gives 11097899064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 87384969 + ... + 87385095.

It is an arithmetic number, because the mean of its divisors is an integer number (68290560).

Almost surely, 2^11097899064 is an apocalyptic number.

11097899064 is a gapful number since it is divisible by the number (14) 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 11097899064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19667681280).

11097899064 is an abundant number, since it is smaller than the sum of its proper divisors (28237463496).

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

11097899064 is a wasteful number, since it uses less digits than its factorization.

11097899064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 54.

The spelling of 11097899064 in words is "eleven billion, ninety-seven million, eight hundred ninety-nine thousand, sixty-four".