11071660400 has 120 divisors (see below), whose sum is σ = 27210907200. Its totient is φ = 4328064000.

The previous prime is 11071660393. The next prime is 11071660423. The reversal of 11071660400 is 406617011.

It is a self number, because there is not a number n which added to its sum of digits gives 11071660400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3189866 + ... + 3193334.

It is an arithmetic number, because the mean of its divisors is an integer number (226757560).

Almost surely, 2^11071660400 is an apocalyptic number.

11071660400 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 11071660400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13605453600).

11071660400 is an abundant number, since it is smaller than the sum of its proper divisors (16139246800).

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

11071660400 is a wasteful number, since it uses less digits than its factorization.

11071660400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3667 (or 3656 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The spelling of 11071660400 in words is "eleven billion, seventy-one million, six hundred sixty thousand, four hundred".