117841561000 has 64 divisors (see below), whose sum is σ = 278326601280. Its totient is φ = 46696052800.

The previous prime is 117841560953. The next prime is 117841561001. The reversal of 117841561000 is 165148711.

It is not an unprimeable number, because it can be changed into a prime (117841561001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443662 + ... + 657661.

It is an arithmetic number, because the mean of its divisors is an integer number (4348853145).

Almost surely, 2^117841561000 is an apocalyptic number.

117841561000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117841561000 is an abundant number, since it is smaller than the sum of its proper divisors (160485040280).

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

117841561000 is a wasteful number, since it uses less digits than its factorization.

117841561000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101451 (or 1101437 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 34.

The spelling of 117841561000 in words is "one hundred seventeen billion, eight hundred forty-one million, five hundred sixty-one thousand".