117421372244 has 144 divisors (see below), whose sum is σ = 238381209360. Its totient is φ = 50502144000.

The previous prime is 117421372213. The next prime is 117421372247. The reversal of 117421372244 is 442273124711.

It can be written as a sum of positive squares in 8 ways, for example, as 10112715844 + 107308656400 = 100562^2 + 327580^2 .

It is a junction number, because it is equal to n+sod(n) for n = 117421372198 and 117421372207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117421372247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 160192502 + ... + 160193234.

It is an arithmetic number, because the mean of its divisors is an integer number (1655425065).

Almost surely, 2^117421372244 is an apocalyptic number.

It is an amenable number.

117421372244 is an abundant number, since it is smaller than the sum of its proper divisors (120959837116).

117421372244 is a wasteful number, since it uses less digits than its factorization.

117421372244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002 (or 989 counting only the distinct ones).

The product of its digits is 75264, while the sum is 38.

Adding to 117421372244 its reverse (442273124711), we get a palindrome (559694496955).

The spelling of 117421372244 in words is "one hundred seventeen billion, four hundred twenty-one million, three hundred seventy-two thousand, two hundred forty-four".