1081224706320 has 960 divisors, whose sum is σ = 4318695014400. Its totient is φ = 239719772160.

The previous prime is 1081224706307. The next prime is 1081224706337. The reversal of 1081224706320 is 236074221801.

It is a happy number.

1081224706320 is a `hidden beast` number, since 1 + 0 + 8 + 12 + 2 + 4 + 7 + 0 + 632 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 397653921 + ... + 397656639.

It is an arithmetic number, because the mean of its divisors is an integer number (4498640640).

Almost surely, 2^{1081224706320} is an apocalyptic number.

1081224706320 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 1081224706320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159347507200).

1081224706320 is an abundant number, since it is smaller than the sum of its proper divisors (3237470308080).

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

1081224706320 is a wasteful number, since it uses less digits than its factorization.

1081224706320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868 (or 2859 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 1081224706320 in words is "one trillion, eighty-one billion, two hundred twenty-four million, seven hundred six thousand, three hundred twenty".