1198261886976 has 2016 divisors, whose sum is σ = 4957522012800. Its totient is φ = 282036142080.

The previous prime is 1198261886971. The next prime is 1198261887019. The reversal of 1198261886976 is 6796881628911.

It is a tau number, because it is divible by the number of its divisors (2016).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1198261886971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 52098342901 + ... + 52098342923.

It is an arithmetic number, because the mean of its divisors is an integer number (2459088300).

Almost surely, 2^{1198261886976} is an apocalyptic number.

1198261886976 is a gapful number since it is divisible by the number (16) 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 1198261886976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2478761006400).

1198261886976 is an abundant number, since it is smaller than the sum of its proper divisors (3759260125824).

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

1198261886976 is a wasteful number, since it uses less digits than its factorization.

1198261886976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 65 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 72.

The spelling of 1198261886976 in words is "one trillion, one hundred ninety-eight billion, two hundred sixty-one million, eight hundred eighty-six thousand, nine hundred seventy-six".