1171281980296 has 16 divisors (see below), whose sum is σ = 2198098950300. Its totient is φ = 585122260224.

The previous prime is 1171281980261. The next prime is 1171281980347. The reversal of 1171281980296 is 6920891821711.

It can be written as a sum of positive squares in 2 ways, for example, as 1015640684100 + 155641296196 = 1007790^2 + 394514^2 .

It is a super-2 number, since 2×1171281980296² (a number of 25 digits) contains 22 as substring.

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, 64831645 + ... + 64849708.

Almost surely, 2^{1171281980296} is an apocalyptic number.

It is an amenable number.

1171281980296 is a deficient number, since it is larger than the sum of its proper divisors (1026816970004).

1171281980296 is a wasteful number, since it uses less digits than its factorization.

1171281980296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129682488 (or 129682484 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 55.

The spelling of 1171281980296 in words is "one trillion, one hundred seventy-one billion, two hundred eighty-one million, nine hundred eighty thousand, two hundred ninety-six".