117451798512 has 20 divisors (see below), whose sum is σ = 303417146280. Its totient is φ = 39150599488.

The previous prime is 117451798507. The next prime is 117451798517. The reversal of 117451798512 is 215897154711.

It is an interprime number because it is at equal distance from previous prime (117451798507) and next prime (117451798517).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117451798517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1223456187 + ... + 1223456282.

It is an arithmetic number, because the mean of its divisors is an integer number (15170857314).

Almost surely, 2^117451798512 is an apocalyptic number.

117451798512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

117451798512 is an abundant number, since it is smaller than the sum of its proper divisors (185965347768).

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

117451798512 is a wasteful number, since it uses less digits than its factorization.

117451798512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446912480 (or 2446912474 counting only the distinct ones).

The product of its digits is 705600, while the sum is 51.

The spelling of 117451798512 in words is "one hundred seventeen billion, four hundred fifty-one million, seven hundred ninety-eight thousand, five hundred twelve".