117875821506 has 16 divisors (see below), whose sum is σ = 235812717504. Its totient is φ = 39281761424.

The previous prime is 117875821499. The next prime is 117875821507. The reversal of 117875821506 is 605128578711.

It is a happy number.

117875821506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (117875821507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2519661 + ... + 2566016.

It is an arithmetic number, because the mean of its divisors is an integer number (14738294844).

Almost surely, 2^117875821506 is an apocalyptic number.

117875821506 is an abundant number, since it is smaller than the sum of its proper divisors (117936895998).

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

117875821506 is a wasteful number, since it uses less digits than its factorization.

117875821506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5089545.

The product of its (nonzero) digits is 940800, while the sum is 51.

The spelling of 117875821506 in words is "one hundred seventeen billion, eight hundred seventy-five million, eight hundred twenty-one thousand, five hundred six".