117205356590 has 64 divisors (see below), whose sum is σ = 247356619776. Its totient is φ = 39156556032.

The previous prime is 117205356539. The next prime is 117205356613. The reversal of 117205356590 is 95653502711.

It is a super-2 number, since 2×117205356590² (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 31 ways as a sum of consecutive naturals, for example, 285959 + ... + 562301.

It is an arithmetic number, because the mean of its divisors is an integer number (3864947184).

Almost surely, 2^117205356590 is an apocalyptic number.

117205356590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117205356590 is an abundant number, since it is smaller than the sum of its proper divisors (130151263186).

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

117205356590 is a wasteful number, since it uses less digits than its factorization.

117205356590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276513.

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 117205356590 in words is "one hundred seventeen billion, two hundred five million, three hundred fifty-six thousand, five hundred ninety".