118858204869 has 4 divisors (see below), whose sum is σ = 158477606496. Its totient is φ = 79238803244.

The previous prime is 118858204859. The next prime is 118858204889. The reversal of 118858204869 is 968402858811.

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 118858204869 - 2⁸ = 118858204613 is a prime.

It is a super-2 number, since 2×118858204869² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118858204859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19809700809 + ... + 19809700814.

It is an arithmetic number, because the mean of its divisors is an integer number (39619401624).

Almost surely, 2^118858204869 is an apocalyptic number.

It is an amenable number.

118858204869 is a deficient number, since it is larger than the sum of its proper divisors (39619401627).

118858204869 is an equidigital number, since it uses as much as digits as its factorization.

118858204869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39619401626.

The product of its (nonzero) digits is 8847360, while the sum is 60.

The spelling of 118858204869 in words is "one hundred eighteen billion, eight hundred fifty-eight million, two hundred four thousand, eight hundred sixty-nine".