1117553816 has 16 divisors (see below), whose sum is σ = 2100087000. Its totient is φ = 557530624.

The previous prime is 1117553791. The next prime is 1117553819. The reversal of 1117553816 is 6183557111.

It is a self number, because there is not a number n which added to its sum of digits gives 1117553816.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117553819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151970 + ... + 159153.

Almost surely, 2^1117553816 is an apocalyptic number.

It is an amenable number.

1117553816 is a deficient number, since it is larger than the sum of its proper divisors (982533184).

1117553816 is a wasteful number, since it uses less digits than its factorization.

1117553816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311578 (or 311574 counting only the distinct ones).

The product of its digits is 25200, while the sum is 38.

The square root of 1117553816 is about 33429.8342203487. The cubic root of 1117553816 is about 1037.7422099816.

The spelling of 1117553816 in words is "one billion, one hundred seventeen million, five hundred fifty-three thousand, eight hundred sixteen".