117961834450 has 24 divisors (see below), whose sum is σ = 219492148032. Its totient is φ = 47166855120.

The previous prime is 117961834447. The next prime is 117961834451. The reversal of 117961834450 is 54438169711.

117961834450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 117961834394 and 117961834403.

It is not an unprimeable number, because it can be changed into a prime (117961834451) 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 11 ways as a sum of consecutive naturals, for example, 313294 + ... + 577993.

It is an arithmetic number, because the mean of its divisors is an integer number (9145506168).

Almost surely, 2^117961834450 is an apocalyptic number.

117961834450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117961834450 is a deficient number, since it is larger than the sum of its proper divisors (101530313582).

117961834450 is a wasteful number, since it uses less digits than its factorization.

117961834450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893946 (or 893941 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The spelling of 117961834450 in words is "one hundred seventeen billion, nine hundred sixty-one million, eight hundred thirty-four thousand, four hundred fifty".