1147116685 has 16 divisors (see below), whose sum is σ = 1617194880. Its totient is φ = 770091840.

The previous prime is 1147116643. The next prime is 1147116703. The reversal of 1147116685 is 5866117411.

It is a happy number.

It is not a de Polignac number, because 1147116685 - 2⁷ = 1147116557 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 801465 + ... + 802894.

It is an arithmetic number, because the mean of its divisors is an integer number (101074680).

Almost surely, 2^1147116685 is an apocalyptic number.

It is an amenable number.

1147116685 is a deficient number, since it is larger than the sum of its proper divisors (470078195).

1147116685 is a wasteful number, since it uses less digits than its factorization.

1147116685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1604388.

The product of its digits is 40320, while the sum is 40.

The square root of 1147116685 is about 33869.1110748422. Note that the first 3 decimals coincide. The cubic root of 1147116685 is about 1046.8132206626.

The spelling of 1147116685 in words is "one billion, one hundred forty-seven million, one hundred sixteen thousand, six hundred eighty-five".