117461387418 has 16 divisors (see below), whose sum is σ = 235405168320. Its totient is φ = 39073396896.

The previous prime is 117461387369. The next prime is 117461387419. The reversal of 117461387418 is 814783164711.

It is a super-2 number, since 2×117461387418² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117461387419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20096563 + ... + 20102406.

It is an arithmetic number, because the mean of its divisors is an integer number (14712823020).

Almost surely, 2^117461387418 is an apocalyptic number.

117461387418 is an abundant number, since it is smaller than the sum of its proper divisors (117943780902).

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

117461387418 is a wasteful number, since it uses less digits than its factorization.

117461387418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40199461.

The product of its digits is 903168, while the sum is 51.

The spelling of 117461387418 in words is "one hundred seventeen billion, four hundred sixty-one million, three hundred eighty-seven thousand, four hundred eighteen".