117106221556 has 48 divisors (see below), whose sum is σ = 219706482240. Its totient is φ = 54419765760.

The previous prime is 117106221487. The next prime is 117106221569. The reversal of 117106221556 is 655122601711.

It is a super-2 number, since 2×117106221556² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18797050 + ... + 18803278.

It is an arithmetic number, because the mean of its divisors is an integer number (4577218380).

Almost surely, 2^117106221556 is an apocalyptic number.

It is an amenable number.

117106221556 is a deficient number, since it is larger than the sum of its proper divisors (102600260684).

117106221556 is a wasteful number, since it uses less digits than its factorization.

117106221556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9664 (or 9662 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 37.

The spelling of 117106221556 in words is "one hundred seventeen billion, one hundred six million, two hundred twenty-one thousand, five hundred fifty-six".