1081420742160 has 240 divisors, whose sum is σ = 4108671403200. Its totient is φ = 262162552320.

The previous prime is 1081420742141. The next prime is 1081420742239. The reversal of 1081420742160 is 612470241801.

It is a happy number.

1081420742160 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 420 + 74 + 2 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2314735 + ... + 2742414.

It is an arithmetic number, because the mean of its divisors is an integer number (17119464180).

Almost surely, 2^{1081420742160} is an apocalyptic number.

1081420742160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081420742160 is an abundant number, since it is smaller than the sum of its proper divisors (3027250661040).

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

1081420742160 is a wasteful number, since it uses less digits than its factorization.

1081420742160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057188 (or 5057170 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

Adding to 1081420742160 its reverse (612470241801), we get a palindrome (1693890983961).

The spelling of 1081420742160 in words is "one trillion, eighty-one billion, four hundred twenty million, seven hundred forty-two thousand, one hundred sixty".