117651711280 has 40 divisors (see below), whose sum is σ = 276360249312. Its totient is φ = 46575519744.

The previous prime is 117651711179. The next prime is 117651711293. The reversal of 117651711280 is 82117156711.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×117651711280² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7572892 + ... + 7588411.

Almost surely, 2^117651711280 is an apocalyptic number.

117651711280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117651711280 is an abundant number, since it is smaller than the sum of its proper divisors (158708538032).

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

117651711280 is a wasteful number, since it uses less digits than its factorization.

117651711280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161413 (or 15161407 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 40.

Adding to 117651711280 its reverse (82117156711), we get a palindrome (199768867991).

The spelling of 117651711280 in words is "one hundred seventeen billion, six hundred fifty-one million, seven hundred eleven thousand, two hundred eighty".