1061144788680 has 256 divisors, whose sum is σ = 3724351488000. Its totient is φ = 268004070144.

The previous prime is 1061144788673. The next prime is 1061144788703. The reversal of 1061144788680 is 868874411601.

1061144788680 is a `hidden beast` number, since 1 + 0 + 6 + 1 + 14 + 478 + 86 + 80 = 666.

1061144788680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1061144788680² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 141727897 + ... + 141735383.

It is an arithmetic number, because the mean of its divisors is an integer number (14548248000).

Almost surely, 2^{1061144788680} is an apocalyptic number.

1061144788680 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 1061144788680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1862175744000).

1061144788680 is an abundant number, since it is smaller than the sum of its proper divisors (2663206699320).

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

1061144788680 is a wasteful number, since it uses less digits than its factorization.

1061144788680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14433 (or 14423 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 1061144788680 in words is "one trillion, sixty-one billion, one hundred forty-four million, seven hundred eighty-eight thousand, six hundred eighty".