117015989776 has 135 divisors (see below), whose sum is σ = 278778588111. Its totient is φ = 47436363072.

The previous prime is 117015989773. The next prime is 117015989777. The reversal of 117015989776 is 677989510711.

The square root of 117015989776 is 342076.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (117015989773) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 181984111 + ... + 181984753.

Almost surely, 2^117015989776 is an apocalyptic number.

117015989776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

117015989776 is the 342076-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117015989776

117015989776 is an abundant number, since it is smaller than the sum of its proper divisors (161762598335).

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

117015989776 is an frugal number, since it uses more digits than its factorization.

117015989776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 6667920, while the sum is 61.

The spelling of 117015989776 in words is "one hundred seventeen billion, fifteen million, nine hundred eighty-nine thousand, seven hundred seventy-six".