1123211612160 has 832 divisors, whose sum is σ = 4585911552000. Its totient is φ = 257935933440.

The previous prime is 1123211612113. The next prime is 1123211612161. The reversal of 1123211612160 is 612161123211.

1123211612160 is a `hidden beast` number, since 1 + 1 + 2 + 32 + 1 + 1 + 612 + 16 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1123211612161) 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, 115563781 + ... + 115573499.

Almost surely, 2^{1123211612160} is an apocalyptic number.

1123211612160 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 1123211612160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2292955776000).

1123211612160 is an abundant number, since it is smaller than the sum of its proper divisors (3462699939840).

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

1123211612160 is a wasteful number, since it uses less digits than its factorization.

1123211612160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9787 (or 9759 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

Adding to 1123211612160 its reverse (612161123211), we get a palindrome (1735372735371).

It can be divided in two parts, 1123211 and 612160, that added together give a palindrome (1735371).

The spelling of 1123211612160 in words is "one trillion, one hundred twenty-three billion, two hundred eleven million, six hundred twelve thousand, one hundred sixty".