1161367808917 has 16 divisors (see below), whose sum is σ = 1203046401024. Its totient is φ = 1119959568000.

The previous prime is 1161367808869. The next prime is 1161367808981. The reversal of 1161367808917 is 7198087631611.

It is a happy number.

It is not a de Polignac number, because 1161367808917 - 2⁷ = 1161367808789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161367808317) 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, 10134303 + ... + 10248259.

It is an arithmetic number, because the mean of its divisors is an integer number (75190400064).

Almost surely, 2^{1161367808917} is an apocalyptic number.

It is an amenable number.

1161367808917 is a deficient number, since it is larger than the sum of its proper divisors (41678592107).

1161367808917 is a wasteful number, since it uses less digits than its factorization.

1161367808917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115140.

The product of its (nonzero) digits is 3048192, while the sum is 58.

The spelling of 1161367808917 in words is "one trillion, one hundred sixty-one billion, three hundred sixty-seven million, eight hundred eight thousand, nine hundred seventeen".