117218613436 has 12 divisors (see below), whose sum is σ = 205136091160. Its totient is φ = 58608301680.

The previous prime is 117218613349. The next prime is 117218613461. The reversal of 117218613436 is 634316812711.

It is a junction number, because it is equal to n+sod(n) for n = 117218613392 and 117218613401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51766 + ... + 486946.

Almost surely, 2^117218613436 is an apocalyptic number.

It is an amenable number.

117218613436 is a deficient number, since it is larger than the sum of its proper divisors (87917477724).

117218613436 is a wasteful number, since it uses less digits than its factorization.

117218613436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502524 (or 502522 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The spelling of 117218613436 in words is "one hundred seventeen billion, two hundred eighteen million, six hundred thirteen thousand, four hundred thirty-six".