117563520 has 64 divisors (see below), whose sum is σ = 374739840. Its totient is φ = 31349760.

The previous prime is 117563513. The next prime is 117563521. The reversal of 117563520 is 25365711.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (117563521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28696 + ... + 32535.

It is an arithmetic number, because the mean of its divisors is an integer number (5855310).

Almost surely, 2^117563520 is an apocalyptic number.

117563520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117563520 is an abundant number, since it is smaller than the sum of its proper divisors (257176320).

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

117563520 is an equidigital number, since it uses as much as digits as its factorization.

117563520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61253 (or 61241 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 117563520 is about 10842.6712575822. The cubic root of 117563520 is about 489.8812984719.

The spelling of 117563520 in words is "one hundred seventeen million, five hundred sixty-three thousand, five hundred twenty".