1117658918358 has 64 divisors (see below), whose sum is σ = 2571061752000. Its totient is φ = 359463992832.

The previous prime is 1117658918353. The next prime is 1117658918417. The reversal of 1117658918358 is 8538198567111.

1117658918358 is a `hidden beast` number, since 1 + 1 + 1 + 7 + 6 + 589 + 18 + 35 + 8 = 666.

It is a super-2 number, since 2×1117658918358² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1117658918295 and 1117658918304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1117658918353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2092116 + ... + 2571432.

It is an arithmetic number, because the mean of its divisors is an integer number (40172839875).

Almost surely, 2^{1117658918358} is an apocalyptic number.

1117658918358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1117658918358, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1285530876000).

1117658918358 is an abundant number, since it is smaller than the sum of its proper divisors (1453402833642).

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

1117658918358 is a wasteful number, since it uses less digits than its factorization.

1117658918358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480846 (or 480840 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 63.

The spelling of 1117658918358 in words is "one trillion, one hundred seventeen billion, six hundred fifty-eight million, nine hundred eighteen thousand, three hundred fifty-eight".