11099977243992 has 256 divisors, whose sum is σ = 38324376115200. Its totient is φ = 2898481190400.

The previous prime is 11099977243981. The next prime is 11099977243997. The reversal of 11099977243992 is 29934277999011.

11099977243992 is a `hidden beast` number, since 1 + 10 + 9 + 9 + 97 + 7 + 2 + 439 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 11099977243992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099977243997) 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, 810348 + ... + 4780859.

It is an arithmetic number, because the mean of its divisors is an integer number (149704594200).

Almost surely, 2^{11099977243992} is an apocalyptic number.

11099977243992 is a gapful number since it is divisible by the number (12) 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 11099977243992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19162188057600).

11099977243992 is an abundant number, since it is smaller than the sum of its proper divisors (27224398871208).

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

11099977243992 is a wasteful number, since it uses less digits than its factorization.

11099977243992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5591343 (or 5591333 counting only the distinct ones).

The product of its (nonzero) digits is 138883248, while the sum is 72.

The spelling of 11099977243992 in words is "eleven trillion, ninety-nine billion, nine hundred seventy-seven million, two hundred forty-three thousand, nine hundred ninety-two".