11922051000 has 128 divisors (see below), whose sum is σ = 38062252800. Its totient is φ = 3105244800.

The previous prime is 11922050983. The next prime is 11922051019. The reversal of 11922051000 is 15022911.

11922051000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82791 + ... + 175209.

It is an arithmetic number, because the mean of its divisors is an integer number (297361350).

Almost surely, 2^11922051000 is an apocalyptic number.

11922051000 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 11922051000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19031126400).

11922051000 is an abundant number, since it is smaller than the sum of its proper divisors (26140201800).

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

11922051000 is a wasteful number, since it uses less digits than its factorization.

11922051000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92486 (or 92472 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

Adding to 11922051000 its reverse (15022911), we get a palindrome (11937073911).

The spelling of 11922051000 in words is "eleven billion, nine hundred twenty-two million, fifty-one thousand".