1286411406160 has 20 divisors (see below), whose sum is σ = 2990906519508. Its totient is φ = 514564562432.

The previous prime is 1286411406143. The next prime is 1286411406187. The reversal of 1286411406160 is 616041146821.

It can be written as a sum of positive squares in 2 ways, for example, as 607165107264 + 679246298896 = 779208^2 + 824164^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8040071209 + ... + 8040071368.

Almost surely, 2^{1286411406160} is an apocalyptic number.

1286411406160 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1286411406160 is an abundant number, since it is smaller than the sum of its proper divisors (1704495113348).

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

1286411406160 is a wasteful number, since it uses less digits than its factorization.

1286411406160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16080142590 (or 16080142584 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The spelling of 1286411406160 in words is "one trillion, two hundred eighty-six billion, four hundred eleven million, four hundred six thousand, one hundred sixty".