1173116660871 has 16 divisors (see below), whose sum is σ = 1566210530304. Its totient is φ = 781050545184.

The previous prime is 1173116660843. The next prime is 1173116660897. The reversal of 1173116660871 is 1780666113711.

It is not a de Polignac number, because 1173116660871 - 2⁵ = 1173116660839 is a prime.

It is a super-3 number, since 3×1173116660871³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1173116660871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1173116660801) 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, 20666290 + ... + 20722976.

It is an arithmetic number, because the mean of its divisors is an integer number (97888158144).

Almost surely, 2^{1173116660871} is an apocalyptic number.

1173116660871 is a deficient number, since it is larger than the sum of its proper divisors (393093869433).

1173116660871 is an equidigital number, since it uses as much as digits as its factorization.

1173116660871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65630.

The product of its (nonzero) digits is 254016, while the sum is 48.

The spelling of 1173116660871 in words is "one trillion, one hundred seventy-three billion, one hundred sixteen million, six hundred sixty thousand, eight hundred seventy-one".