117513454038 has 16 divisors (see below), whose sum is σ = 235038590976. Its totient is φ = 39169204200.

The previous prime is 117513453947. The next prime is 117513454043. The reversal of 117513454038 is 830454315711.

It is a super-4 number, since 4×117513454038⁴ (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353206 + ... + 599817.

It is an arithmetic number, because the mean of its divisors is an integer number (14689911936).

Almost surely, 2^117513454038 is an apocalyptic number.

117513454038 is an abundant number, since it is smaller than the sum of its proper divisors (117525136938).

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

117513454038 is a wasteful number, since it uses less digits than its factorization.

117513454038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973579.

The product of its (nonzero) digits is 201600, while the sum is 42.

Adding to 117513454038 its reverse (830454315711), we get a palindrome (947967769749).

The spelling of 117513454038 in words is "one hundred seventeen billion, five hundred thirteen million, four hundred fifty-four thousand, thirty-eight".