118406613997 has 16 divisors (see below), whose sum is σ = 143576236800. Its totient is φ = 95325113088.

The previous prime is 118406613959. The next prime is 118406614033. The reversal of 118406613997 is 799316604811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-118406613997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118406613917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 963622 + ... + 1079527.

It is an arithmetic number, because the mean of its divisors is an integer number (8973514800).

Almost surely, 2^118406613997 is an apocalyptic number.

118406613997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

118406613997 is a deficient number, since it is larger than the sum of its proper divisors (25169622803).

118406613997 is a wasteful number, since it uses less digits than its factorization.

118406613997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043660.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 118406613997 in words is "one hundred eighteen billion, four hundred six million, six hundred thirteen thousand, nine hundred ninety-seven".