1169578275012 has 216 divisors, whose sum is σ = 3578030776320. Its totient is φ = 320837448960.

The previous prime is 1169578275007. The next prime is 1169578275053. The reversal of 1169578275012 is 2105728759611.

1169578275012 is a `hidden beast` number, since 1 + 1 + 6 + 9 + 57 + 82 + 7 + 501 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1169578275012.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6860664 + ... + 7029072.

Almost surely, 2^{1169578275012} is an apocalyptic number.

1169578275012 is a gapful number since it is divisible by the number (12) 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 1169578275012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1789015388160).

1169578275012 is an abundant number, since it is smaller than the sum of its proper divisors (2408452501308).

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

1169578275012 is a wasteful number, since it uses less digits than its factorization.

1169578275012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168591 (or 168579 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 54.

The spelling of 1169578275012 in words is "one trillion, one hundred sixty-nine billion, five hundred seventy-eight million, two hundred seventy-five thousand, twelve".