1286350211648 has 112 divisors (see below), whose sum is σ = 2611495188480. Its totient is φ = 628512804864.

The previous prime is 1286350211639. The next prime is 1286350211677. The reversal of 1286350211648 is 8461120536821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814660523 + ... + 814662101.

Almost surely, 2^{1286350211648} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1286350211648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1305747594240).

1286350211648 is an abundant number, since it is smaller than the sum of its proper divisors (1325144976832).

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

1286350211648 is a wasteful number, since it uses less digits than its factorization.

1286350211648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3164 (or 3154 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 1286350211648 in words is "one trillion, two hundred eighty-six billion, three hundred fifty million, two hundred eleven thousand, six hundred forty-eight".