117886551000 has 256 divisors, whose sum is σ = 399973541760. Its totient is φ = 28787097600.

The previous prime is 117886550939. The next prime is 117886551001. The reversal of 117886551000 is 155688711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117886551001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1855764 + ... + 1918236.

Almost surely, 2^117886551000 is an apocalyptic number.

117886551000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117886551000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199986770880).

117886551000 is an abundant number, since it is smaller than the sum of its proper divisors (282086990760).

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

117886551000 is a wasteful number, since it uses less digits than its factorization.

117886551000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62551 (or 62537 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 42.

The spelling of 117886551000 in words is "one hundred seventeen billion, eight hundred eighty-six million, five hundred fifty-one thousand".