117620521200 has 1800 divisors, whose sum is σ = 545618359440. Its totient is φ = 24037171200.

The previous prime is 117620521171. The next prime is 117620521243. The reversal of 117620521200 is 2125026711.

117620521200 is a `hidden beast` number, since 1 + 17 + 620 + 5 + 2 + 1 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1800).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 846190731 + ... + 846190869.

Almost surely, 2^117620521200 is an apocalyptic number.

117620521200 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 117620521200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272809179720).

117620521200 is an abundant number, since it is smaller than the sum of its proper divisors (427997838240).

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

117620521200 is a wasteful number, since it uses less digits than its factorization.

117620521200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 210 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

Adding to 117620521200 its reverse (2125026711), we get a palindrome (119745547911).

The spelling of 117620521200 in words is "one hundred seventeen billion, six hundred twenty million, five hundred twenty-one thousand, two hundred".