117263527656 has 128 divisors (see below), whose sum is σ = 338897986560. Its totient is φ = 33416883200.

The previous prime is 117263527649. The next prime is 117263527657. The reversal of 117263527656 is 656725362711.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a junction number, because it is equal to n+sod(n) for n = 117263527599 and 117263527608.

It is not an unprimeable number, because it can be changed into a prime (117263527657) 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, 5855821 + ... + 5875811.

It is an arithmetic number, because the mean of its divisors is an integer number (2647640520).

Almost surely, 2^117263527656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117263527656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169448993280).

117263527656 is an abundant number, since it is smaller than the sum of its proper divisors (221634458904).

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

117263527656 is a wasteful number, since it uses less digits than its factorization.

117263527656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21335 (or 21331 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 51.

The spelling of 117263527656 in words is "one hundred seventeen billion, two hundred sixty-three million, five hundred twenty-seven thousand, six hundred fifty-six".