117541647220 has 12 divisors (see below), whose sum is σ = 246837459204. Its totient is φ = 47016658880.

The previous prime is 117541647199. The next prime is 117541647239. The reversal of 117541647220 is 22746145711.

It can be written as a sum of positive squares in 2 ways, for example, as 74565040356 + 42976606864 = 273066^2 + 207308^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2938541161 + ... + 2938541200.

It is an arithmetic number, because the mean of its divisors is an integer number (20569788267).

Almost surely, 2^117541647220 is an apocalyptic number.

117541647220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117541647220 is an abundant number, since it is smaller than the sum of its proper divisors (129295811984).

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

117541647220 is a wasteful number, since it uses less digits than its factorization.

117541647220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5877082370 (or 5877082368 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 117541647220 in words is "one hundred seventeen billion, five hundred forty-one million, six hundred forty-seven thousand, two hundred twenty".