1101840955020 has 192 divisors, whose sum is σ = 3692877552000. Its totient is φ = 271131328512.

The previous prime is 1101840954989. The next prime is 1101840955021. The reversal of 1101840955020 is 205590481011.

1101840955020 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 84 + 0 + 9 + 550 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1101840955021) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 22221616 + ... + 22271144.

It is an arithmetic number, because the mean of its divisors is an integer number (19233737250).

Almost surely, 2^{1101840955020} is an apocalyptic number.

1101840955020 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 1101840955020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1846438776000).

1101840955020 is an abundant number, since it is smaller than the sum of its proper divisors (2591036596980).

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

1101840955020 is a wasteful number, since it uses less digits than its factorization.

1101840955020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52729 (or 52721 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The spelling of 1101840955020 in words is "one trillion, one hundred one billion, eight hundred forty million, nine hundred fifty-five thousand, twenty".