10997395680 has 96 divisors (see below), whose sum is σ = 34724719008. Its totient is φ = 2925619200.

The previous prime is 10997395667. The next prime is 10997395777. The reversal of 10997395680 is 8659379901.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 10997395680.

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 15 ways as a sum of consecutive naturals, for example, 174870 + ... + 229290.

It is an arithmetic number, because the mean of its divisors is an integer number (361715823).

Almost surely, 2^10997395680 is an apocalyptic number.

10997395680 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 10997395680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17362359504).

10997395680 is an abundant number, since it is smaller than the sum of its proper divisors (23727323328).

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

10997395680 is a wasteful number, since it uses less digits than its factorization.

10997395680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54860 (or 54852 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 57.

The spelling of 10997395680 in words is "ten billion, nine hundred ninety-seven million, three hundred ninety-five thousand, six hundred eighty".