1161117803 has 8 divisors (see below), whose sum is σ = 1204663680. Its totient is φ = 1117952640.

The previous prime is 1161117791. The next prime is 1161117823. The reversal of 1161117803 is 3087111611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1161117803 - 2⁶ = 1161117739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1161117823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88958 + ... + 101171.

It is an arithmetic number, because the mean of its divisors is an integer number (150582960).

Almost surely, 2^1161117803 is an apocalyptic number.

1161117803 is a deficient number, since it is larger than the sum of its proper divisors (43545877).

1161117803 is a wasteful number, since it uses less digits than its factorization.

1161117803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190357.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 1161117803 is about 34075.1786935887. The cubic root of 1161117803 is about 1051.0549647864.

The spelling of 1161117803 in words is "one billion, one hundred sixty-one million, one hundred seventeen thousand, eight hundred three".