1171612111102 has 32 divisors (see below), whose sum is σ = 1784451895200. Its totient is φ = 576822435840.

The previous prime is 1171612111081. The next prime is 1171612111249. The reversal of 1171612111102 is 2011112161711.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 328088977 + ... + 328092547.

It is an arithmetic number, because the mean of its divisors is an integer number (55764121725).

Almost surely, 2^{1171612111102} is an apocalyptic number.

1171612111102 is a deficient number, since it is larger than the sum of its proper divisors (612839784098).

1171612111102 is a wasteful number, since it uses less digits than its factorization.

1171612111102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748.

The product of its (nonzero) digits is 168, while the sum is 25.

Adding to 1171612111102 its reverse (2011112161711), we get a palindrome (3182724272813).

The spelling of 1171612111102 in words is "one trillion, one hundred seventy-one billion, six hundred twelve million, one hundred eleven thousand, one hundred two".