11091110092820 has 48 divisors (see below), whose sum is σ = 23390428320000. Its totient is φ = 4417571007360.

The previous prime is 11091110092771. The next prime is 11091110092823. The reversal of 11091110092820 is 2829001119011.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11091110092823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75206555 + ... + 75353885.

It is an arithmetic number, because the mean of its divisors is an integer number (487300590000).

Almost surely, 2^{11091110092820} is an apocalyptic number.

11091110092820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11091110092820 is an abundant number, since it is smaller than the sum of its proper divisors (12299318227180).

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

11091110092820 is a wasteful number, since it uses less digits than its factorization.

11091110092820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163328 (or 163326 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 11091110092820 in words is "eleven trillion, ninety-one billion, one hundred ten million, ninety-two thousand, eight hundred twenty".