118513108213 has 4 divisors (see below), whose sum is σ = 118524515200. Its totient is φ = 118501701228.

The previous prime is 118513108201. The next prime is 118513108229. The reversal of 118513108213 is 312801315811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 118513108213 - 2²¹ = 118511011061 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 (118513105213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5687895 + ... + 5708692.

It is an arithmetic number, because the mean of its divisors is an integer number (29631128800).

Almost surely, 2^118513108213 is an apocalyptic number.

It is an amenable number.

118513108213 is a deficient number, since it is larger than the sum of its proper divisors (11406987).

118513108213 is a wasteful number, since it uses less digits than its factorization.

118513108213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11406986.

The product of its (nonzero) digits is 5760, while the sum is 34.

The spelling of 118513108213 in words is "one hundred eighteen billion, five hundred thirteen million, one hundred eight thousand, two hundred thirteen".