1195720279068 has 144 divisors (see below), whose sum is σ = 3442716429824. Its totient is φ = 316266716160.

The previous prime is 1195720279049. The next prime is 1195720279087. The reversal of 1195720279068 is 8609720275911.

It is an interprime number because it is at equal distance from previous prime (1195720279049) and next prime (1195720279087).

It is a junction number, because it is equal to n+sod(n) for n = 1195720278999 and 1195720279017.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1077105 + ... + 1884567.

Almost surely, 2^{1195720279068} 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 1195720279068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721358214912).

1195720279068 is an abundant number, since it is smaller than the sum of its proper divisors (2246996150756).

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

1195720279068 is a wasteful number, since it uses less digits than its factorization.

1195720279068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807572 (or 807553 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 57.

The spelling of 1195720279068 in words is "one trillion, one hundred ninety-five billion, seven hundred twenty million, two hundred seventy-nine thousand, sixty-eight".