1109958656 has 112 divisors (see below), whose sum is σ = 2387461824. Its totient is φ = 514719744.

The previous prime is 1109958599. The next prime is 1109958737. The reversal of 1109958656 is 6568599011.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8101820 + ... + 8101956.

Almost surely, 2^1109958656 is an apocalyptic number.

1109958656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1109958656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193730912).

1109958656 is an abundant number, since it is smaller than the sum of its proper divisors (1277503168).

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

1109958656 is an equidigital number, since it uses as much as digits as its factorization.

1109958656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 50.

The square root of 1109958656 is about 33316.0420218249. The cubic root of 1109958656 is about 1035.3859501752.

The spelling of 1109958656 in words is "one billion, one hundred nine million, nine hundred fifty-eight thousand, six hundred fifty-six".