1174881681217 has 16 divisors (see below), whose sum is σ = 1185199938000. Its totient is φ = 1164615174144.

The previous prime is 1174881681203. The next prime is 1174881681241. The reversal of 1174881681217 is 7121861884711.

It can be written as a sum of positive squares in 8 ways, for example, as 629648598016 + 545233083201 = 793504^2 + 738399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1174881681217 - 2²³ = 1174873292609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1174881681317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93319759 + ... + 93332347.

It is an arithmetic number, because the mean of its divisors is an integer number (74074996125).

Almost surely, 2^{1174881681217} is an apocalyptic number.

It is an amenable number.

1174881681217 is a deficient number, since it is larger than the sum of its proper divisors (10318256783).

1174881681217 is a wasteful number, since it uses less digits than its factorization.

1174881681217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14580.

The product of its digits is 1204224, while the sum is 55.

The spelling of 1174881681217 in words is "one trillion, one hundred seventy-four billion, eight hundred eighty-one million, six hundred eighty-one thousand, two hundred seventeen".