1146786853840 has 20 divisors (see below), whose sum is σ = 2666279435364. Its totient is φ = 458714741504.

The previous prime is 1146786853837. The next prime is 1146786853853. The reversal of 1146786853840 is 483586876411.

It can be written as a sum of positive squares in 2 ways, for example, as 133672134544 + 1013114719296 = 365612^2 + 1006536^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7167417757 + ... + 7167417916.

Almost surely, 2^{1146786853840} is an apocalyptic number.

1146786853840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1146786853840 is an abundant number, since it is smaller than the sum of its proper divisors (1519492581524).

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

1146786853840 is a wasteful number, since it uses less digits than its factorization.

1146786853840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14334835686 (or 14334835680 counting only the distinct ones).

The product of its (nonzero) digits is 30965760, while the sum is 61.

The spelling of 1146786853840 in words is "one trillion, one hundred forty-six billion, seven hundred eighty-six million, eight hundred fifty-three thousand, eight hundred forty".