1171533116 has 12 divisors (see below), whose sum is σ = 2207889432. Its totient is φ = 540707568.

The previous prime is 1171533113. The next prime is 1171533133. The reversal of 1171533116 is 6113351711.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1171533113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11264690 + ... + 11264793.

It is an arithmetic number, because the mean of its divisors is an integer number (183990786).

Almost surely, 2^1171533116 is an apocalyptic number.

It is an amenable number.

1171533116 is a deficient number, since it is larger than the sum of its proper divisors (1036356316).

1171533116 is a wasteful number, since it uses less digits than its factorization.

1171533116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22529500 (or 22529498 counting only the distinct ones).

The product of its digits is 1890, while the sum is 29.

The square root of 1171533116 is about 34227.6659443790. The cubic root of 1171533116 is about 1054.1882950300.

Adding to 1171533116 its reverse (6113351711), we get a palindrome (7284884827).

The spelling of 1171533116 in words is "one billion, one hundred seventy-one million, five hundred thirty-three thousand, one hundred sixteen".