118211051807 has 4 divisors (see below), whose sum is σ = 118214203296. Its totient is φ = 118207900320.

The previous prime is 118211051801. The next prime is 118211051831. The reversal of 118211051807 is 708150112811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 118211051807 - 2¹² = 118211047711 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 (118211051801) 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, 1518794 + ... + 1594727.

It is an arithmetic number, because the mean of its divisors is an integer number (29553550824).

Almost surely, 2^118211051807 is an apocalyptic number.

118211051807 is a deficient number, since it is larger than the sum of its proper divisors (3151489).

118211051807 is an equidigital number, since it uses as much as digits as its factorization.

118211051807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3151488.

The product of its (nonzero) digits is 4480, while the sum is 35.

The spelling of 118211051807 in words is "one hundred eighteen billion, two hundred eleven million, fifty-one thousand, eight hundred seven".