11093992821 has 64 divisors (see below), whose sum is σ = 18390240000. Its totient is φ = 6568667136.

The previous prime is 11093992781. The next prime is 11093992823. The reversal of 11093992821 is 12829939011.

It is not a de Polignac number, because 11093992821 - 2⁹ = 11093992309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11093992823) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2343585 + ... + 2348313.

It is an arithmetic number, because the mean of its divisors is an integer number (287347500).

Almost surely, 2^11093992821 is an apocalyptic number.

It is an amenable number.

11093992821 is a deficient number, since it is larger than the sum of its proper divisors (7296247179).

11093992821 is a wasteful number, since it uses less digits than its factorization.

11093992821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5043 (or 5037 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 11093992821 in words is "eleven billion, ninety-three million, nine hundred ninety-two thousand, eight hundred twenty-one".