118472653861 has 4 divisors (see below), whose sum is σ = 120993348672. Its totient is φ = 115951959052.

The previous prime is 118472653847. The next prime is 118472653877. The reversal of 118472653861 is 168356274811.

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 118472653861 - 2⁹ = 118472653349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118472653799 and 118472653808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118472663861) 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, 1260347335 + ... + 1260347428.

It is an arithmetic number, because the mean of its divisors is an integer number (30248337168).

Almost surely, 2^118472653861 is an apocalyptic number.

It is an amenable number.

118472653861 is a deficient number, since it is larger than the sum of its proper divisors (2520694811).

118472653861 is an equidigital number, since it uses as much as digits as its factorization.

118472653861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520694810.

The product of its digits is 1935360, while the sum is 52.

The spelling of 118472653861 in words is "one hundred eighteen billion, four hundred seventy-two million, six hundred fifty-three thousand, eight hundred sixty-one".