1105180021152 has 240 divisors, whose sum is σ = 3346375032000. Its totient is φ = 357595223040.

The previous prime is 1105180021133. The next prime is 1105180021181. The reversal of 1105180021152 is 2511200815011.

1105180021152 is a `hidden beast` number, since 110 + 518 + 0 + 0 + 21 + 15 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21121999 + ... + 21174257.

It is an arithmetic number, because the mean of its divisors is an integer number (13943229300).

Almost surely, 2^{1105180021152} is an apocalyptic number.

1105180021152 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 1105180021152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1673187516000).

1105180021152 is an abundant number, since it is smaller than the sum of its proper divisors (2241195010848).

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

1105180021152 is a wasteful number, since it uses less digits than its factorization.

1105180021152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52521 (or 52504 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 27.

Adding to 1105180021152 its reverse (2511200815011), we get a palindrome (3616380836163).

The spelling of 1105180021152 in words is "one trillion, one hundred five billion, one hundred eighty million, twenty-one thousand, one hundred fifty-two".