1171101568 has 192 divisors, whose sum is σ = 2988861120. Its totient is φ = 452874240.

The previous prime is 1171101527. The next prime is 1171101583. The reversal of 1171101568 is 8651011711.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4321273 + ... + 4321543.

It is an arithmetic number, because the mean of its divisors is an integer number (15566985).

Almost surely, 2^1171101568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1171101568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1494430560).

1171101568 is an abundant number, since it is smaller than the sum of its proper divisors (1817759552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1171101568 is a wasteful number, since it uses less digits than its factorization.

1171101568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 31.

The square root of 1171101568 is about 34221.3612820998. The cubic root of 1171101568 is about 1054.0588382479.

The spelling of 1171101568 in words is "one billion, one hundred seventy-one million, one hundred one thousand, five hundred sixty-eight".