118963537609 has 4 divisors (see below), whose sum is σ = 135958328704. Its totient is φ = 101968746516.

The previous prime is 118963537607. The next prime is 118963537633. The reversal of 118963537609 is 906735369811.

It is a happy number.

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 not a de Polignac number, because 118963537609 - 2¹ = 118963537607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118963537607) 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, 8497395537 + ... + 8497395550.

It is an arithmetic number, because the mean of its divisors is an integer number (33989582176).

Almost surely, 2^118963537609 is an apocalyptic number.

It is an amenable number.

118963537609 is a deficient number, since it is larger than the sum of its proper divisors (16994791095).

118963537609 is an equidigital number, since it uses as much as digits as its factorization.

118963537609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16994791094.

The product of its (nonzero) digits is 7348320, while the sum is 58.

The spelling of 118963537609 in words is "one hundred eighteen billion, nine hundred sixty-three million, five hundred thirty-seven thousand, six hundred nine".