1117108998 has 24 divisors (see below), whose sum is σ = 2562780168. Its totient is φ = 350465472.

The previous prime is 1117108973. The next prime is 1117109003. The reversal of 1117108998 is 8998017111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1825036 + ... + 1825647.

It is an arithmetic number, because the mean of its divisors is an integer number (106782507).

Almost surely, 2^1117108998 is an apocalyptic number.

1117108998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1117108998 is an abundant number, since it is smaller than the sum of its proper divisors (1445671170).

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

1117108998 is a wasteful number, since it uses less digits than its factorization.

1117108998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3650708 (or 3650705 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 45.

The square root of 1117108998 is about 33423.1805488347. The cubic root of 1117108998 is about 1037.6045081351.

The spelling of 1117108998 in words is "one billion, one hundred seventeen million, one hundred eight thousand, nine hundred ninety-eight".