118117131644 has 12 divisors (see below), whose sum is σ = 206708914944. Its totient is φ = 59057441664.

The previous prime is 118117131637. The next prime is 118117131653. The reversal of 118117131644 is 446131711811.

It is a super-2 number, since 2×118117131644² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 118117131598 and 118117131607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17084 + ... + 486339.

It is an arithmetic number, because the mean of its divisors is an integer number (17225742912).

Almost surely, 2^118117131644 is an apocalyptic number.

It is an amenable number.

118117131644 is a deficient number, since it is larger than the sum of its proper divisors (88591783300).

118117131644 is a wasteful number, since it uses less digits than its factorization.

118117131644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562084 (or 562082 counting only the distinct ones).

The product of its digits is 16128, while the sum is 38.

The spelling of 118117131644 in words is "one hundred eighteen billion, one hundred seventeen million, one hundred thirty-one thousand, six hundred forty-four".